-56.7% is the change from 455 to 197
Calculation steps:
[( 197 - 455 ) ÷ 455] x 100 = -56.7%
Formula
Percentage change = [(197 - 455) / 455] x 100
Subtract the new number by the original number
197 - 455 = -258
-258 ÷ 455 = -0.567032967032967
-0.567032967032967 x 100 = -56.7%