-57.35% is the change from 987 to 421
Calculation steps:
[( 421 - 987 ) ÷ 987] x 100 = -57.35%
Formula
Percentage change = [(421 - 987) / 987] x 100
Subtract the new number by the original number
421 - 987 = -566
-566 ÷ 987 = -0.5734549138804458
-0.5734549138804458 x 100 = -57.35%