-72.06% is the change from 315 to 88
Calculation steps:
[( 88 - 315 ) ÷ 315] x 100 = -72.06%
Formula
Percentage change = [(88 - 315) / 315] x 100
Subtract the new number by the original number
88 - 315 = -227
-227 ÷ 315 = -0.7206349206349206
-0.7206349206349206 x 100 = -72.06%