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 04 b. What is the percentage change from 2021 to 2022? Be sure to indicate whether the percentage change is an increase decrease. (Negative answer should be indicated by a minus sign. Round your percentage to 1 decimal place.) Percentage change from 2021 to 2022 %