-24.63% is the change from 812 to 612
Calculation steps:
[( 612 - 812 ) ÷ 812] x 100 = -24.63%
Formula
Percentage change = [(612 - 812) / 812] x 100
Subtract the new number by the original number
612 - 812 = -200
-200 ÷ 812 = -0.24630541871921183
-0.24630541871921183 x 100 = -24.63%