-61.43% is the change from 420 to 162
Calculation steps:
[( 162 - 420 ) ÷ 420] x 100 = -61.43%
Formula
Percentage change = [(162 - 420) / 420] x 100
Subtract the new number by the original number
162 - 420 = -258
-258 ÷ 420 = -0.6142857142857143
-0.6142857142857143 x 100 = -61.43%