-51.34% is the change from 335 to 163
Calculation steps:
[( 163 - 335 ) ÷ 335] x 100 = -51.34%
Formula
Percentage change = [(163 - 335) / 335] x 100
Subtract the new number by the original number
163 - 335 = -172
-172 ÷ 335 = -0.5134328358208955
-0.5134328358208955 x 100 = -51.34%