-62.81% is the change from 812 to 302
Calculation steps:
[( 302 - 812 ) ÷ 812] x 100 = -62.81%
Formula
Percentage change = [(302 - 812) / 812] x 100
Subtract the new number by the original number
302 - 812 = -510
-510 ÷ 812 = -0.6280788177339901
-0.6280788177339901 x 100 = -62.81%