-48.57% is the change from 315 to 162
Calculation steps:
[( 162 - 315 ) ÷ 315] x 100 = -48.57%
Formula
Percentage change = [(162 - 315) / 315] x 100
Subtract the new number by the original number
162 - 315 = -153
-153 ÷ 315 = -0.4857142857142857
-0.4857142857142857 x 100 = -48.57%