-48.96% is the change from 335 to 171
Calculation steps:
[( 171 - 335 ) ÷ 335] x 100 = -48.96%
Formula
Percentage change = [(171 - 335) / 335] x 100
Subtract the new number by the original number
171 - 335 = -164
-164 ÷ 335 = -0.48955223880597015
-0.48955223880597015 x 100 = -48.96%