-65.49% is the change from 455 to 157
Calculation steps:
[( 157 - 455 ) ÷ 455] x 100 = -65.49%
Formula
Percentage change = [(157 - 455) / 455] x 100
Subtract the new number by the original number
157 - 455 = -298
-298 ÷ 455 = -0.654945054945055
-0.654945054945055 x 100 = -65.49%