-89.52% is the change from 315 to 33
Calculation steps:
[( 33 - 315 ) ÷ 315] x 100 = -89.52%
Formula
Percentage change = [(33 - 315) / 315] x 100
Subtract the new number by the original number
33 - 315 = -282
-282 ÷ 315 = -0.8952380952380953
-0.8952380952380953 x 100 = -89.52%