-31.96% is the change from 657 to 447
Calculation steps:
[( 447 - 657 ) ÷ 657] x 100 = -31.96%
Formula
Percentage change = [(447 - 657) / 657] x 100
Subtract the new number by the original number
447 - 657 = -210
-210 ÷ 657 = -0.319634703196347
-0.319634703196347 x 100 = -31.96%