-35.56% is the change from 987 to 636
Calculation steps:
[( 636 - 987 ) ÷ 987] x 100 = -35.56%
Formula
Percentage change = [(636 - 987) / 987] x 100
Subtract the new number by the original number
636 - 987 = -351
-351 ÷ 987 = -0.3556231003039514
-0.3556231003039514 x 100 = -35.56%