-33.43% is the change from 987 to 657
Calculation steps:
[( 657 - 987 ) ÷ 987] x 100 = -33.43%
Formula
Percentage change = [(657 - 987) / 987] x 100
Subtract the new number by the original number
657 - 987 = -330
-330 ÷ 987 = -0.3343465045592705
-0.3343465045592705 x 100 = -33.43%