-48.94% is the change from 331 to 169
Calculation steps:
[( 169 - 331 ) ÷ 331] x 100 = -48.94%
Formula
Percentage change = [(169 - 331) / 331] x 100
Subtract the new number by the original number
169 - 331 = -162
-162 ÷ 331 = -0.48942598187311176
-0.48942598187311176 x 100 = -48.94%