-30.7% is the change from 948 to 657
Calculation steps:
[( 657 - 948 ) ÷ 948] x 100 = -30.7%
Formula
Percentage change = [(657 - 948) / 948] x 100
Subtract the new number by the original number
657 - 948 = -291
-291 ÷ 948 = -0.3069620253164557
-0.3069620253164557 x 100 = -30.7%