-31.28% is the change from 956 to 657
Calculation steps:
[( 657 - 956 ) ÷ 956] x 100 = -31.28%
Formula
Percentage change = [(657 - 956) / 956] x 100
Subtract the new number by the original number
657 - 956 = -299
-299 ÷ 956 = -0.3127615062761506
-0.3127615062761506 x 100 = -31.28%