-62.92% is the change from 836 to 310
Calculation steps:
[( 310 - 836 ) ÷ 836] x 100 = -62.92%
Formula
Percentage change = [(310 - 836) / 836] x 100
Subtract the new number by the original number
310 - 836 = -526
-526 ÷ 836 = -0.6291866028708134
-0.6291866028708134 x 100 = -62.92%