-34.7% is the change from 657 to 429
Calculation steps:
[( 429 - 657 ) ÷ 657] x 100 = -34.7%
Formula
Percentage change = [(429 - 657) / 657] x 100
Subtract the new number by the original number
429 - 657 = -228
-228 ÷ 657 = -0.3470319634703196
-0.3470319634703196 x 100 = -34.7%