-51.49% is the change from 336 to 163
Calculation steps:
[( 163 - 336 ) ÷ 336] x 100 = -51.49%
Formula
Percentage change = [(163 - 336) / 336] x 100
Subtract the new number by the original number
163 - 336 = -173
-173 ÷ 336 = -0.5148809523809523
-0.5148809523809523 x 100 = -51.49%