-33.74% is the change from 812 to 538
Calculation steps:
[( 538 - 812 ) ÷ 812] x 100 = -33.74%
Formula
Percentage change = [(538 - 812) / 812] x 100
Subtract the new number by the original number
538 - 812 = -274
-274 ÷ 812 = -0.3374384236453202
-0.3374384236453202 x 100 = -33.74%