-39.22% is the change from 357 to 217
Calculation steps:
[( 217 - 357 ) ÷ 357] x 100 = -39.22%
Formula
Percentage change = [(217 - 357) / 357] x 100
Subtract the new number by the original number
217 - 357 = -140
-140 ÷ 357 = -0.39215686274509803
-0.39215686274509803 x 100 = -39.22%