-8.5% is the change from 812 to 743
Calculation steps:
[( 743 - 812 ) ÷ 812] x 100 = -8.5%
Formula
Percentage change = [(743 - 812) / 812] x 100
Subtract the new number by the original number
743 - 812 = -69
-69 ÷ 812 = -0.08497536945812807
-0.08497536945812807 x 100 = -8.5%