how do they get these numbers? step by step on excel please

now Review View Tell me - A D A A A Eva 13 - A DAY A CH] Convert to SmartArt Picture Shapes Text Box Arrange Quick Styles O FUTURE VALUE PRESENT VALUE 1&N ANNUITIES RATES/RETURN AMORTIZATI What is the PV of this uneven cash flow stream? 0 1 2 3 4 4% + + 100 300 300 -50 96.15 277.37 266.70 -42.74 597.48 = PV 5-24