-88.39% is the change from 310 to 36
Calculation steps:
[( 36 - 310 ) ÷ 310] x 100 = -88.39%
Formula
Percentage change = [(36 - 310) / 310] x 100
Subtract the new number by the original number
36 - 310 = -274
-274 ÷ 310 = -0.8838709677419355
-0.8838709677419355 x 100 = -88.39%