Assume a company's sales are $1.8 million in 2020, $2.0 million in 2021, and $1.9 million in 2022. a. What is the percentage change from 2020 to 2021? Be sure to indicate whether the percentage change is an increase or a decrease. (Negative answer should be indicated by a minus sign. Round your percentage to 1 decimal place.) Percentage change from 2020 to 2021 % increase b. What is the percentage change from 2021 to 2022? Be sure to indicate whether the percentage change is an increase or a decrease. (Negative answer should be indicated by a minus sign. Round your percentage to 1 decimal place.) Percentage change from 2021 to 2022 Percentage change from 2021 to 2022 % increase % increase 1