-36.07% is the change from 987 to 631
Calculation steps:
[( 631 - 987 ) ÷ 987] x 100 = -36.07%
Formula
Percentage change = [(631 - 987) / 987] x 100
Subtract the new number by the original number
631 - 987 = -356
-356 ÷ 987 = -0.3606889564336373
-0.3606889564336373 x 100 = -36.07%