-88.71% is the change from 310 to 35
Calculation steps:
[( 35 - 310 ) ÷ 310] x 100 = -88.71%
Formula
Percentage change = [(35 - 310) / 310] x 100
Subtract the new number by the original number
35 - 310 = -275
-275 ÷ 310 = -0.8870967741935484
-0.8870967741935484 x 100 = -88.71%