-50.3% is the change from 336 to 167
Calculation steps:
[( 167 - 336 ) ÷ 336] x 100 = -50.3%
Formula
Percentage change = [(167 - 336) / 336] x 100
Subtract the new number by the original number
167 - 336 = -169
-169 ÷ 336 = -0.5029761904761905
-0.5029761904761905 x 100 = -50.3%