-30.79% is the change from 656 to 454
Calculation steps:
[( 454 - 656 ) ÷ 656] x 100 = -30.79%
Formula
Percentage change = [(454 - 656) / 656] x 100
Subtract the new number by the original number
454 - 656 = -202
-202 ÷ 656 = -0.3079268292682927
-0.3079268292682927 x 100 = -30.79%