-33.99% is the change from 812 to 536
Calculation steps:
[( 536 - 812 ) ÷ 812] x 100 = -33.99%
Formula
Percentage change = [(536 - 812) / 812] x 100
Subtract the new number by the original number
536 - 812 = -276
-276 ÷ 812 = -0.3399014778325123
-0.3399014778325123 x 100 = -33.99%