-30.11% is the change from 940 to 657
Calculation steps:
[( 657 - 940 ) ÷ 940] x 100 = -30.11%
Formula
Percentage change = [(657 - 940) / 940] x 100
Subtract the new number by the original number
657 - 940 = -283
-283 ÷ 940 = -0.30106382978723406
-0.30106382978723406 x 100 = -30.11%