-65.45% is the change from 657 to 227
Calculation steps:
[( 227 - 657 ) ÷ 657] x 100 = -65.45%
Formula
Percentage change = [(227 - 657) / 657] x 100
Subtract the new number by the original number
227 - 657 = -430
-430 ÷ 657 = -0.654490106544901
-0.654490106544901 x 100 = -65.45%