-69.03% is the change from 310 to 96
Calculation steps:
[( 96 - 310 ) ÷ 310] x 100 = -69.03%
Formula
Percentage change = [(96 - 310) / 310] x 100
Subtract the new number by the original number
96 - 310 = -214
-214 ÷ 310 = -0.6903225806451613
-0.6903225806451613 x 100 = -69.03%