-75.62% is the change from 812 to 198
Calculation steps:
[( 198 - 812 ) ÷ 812] x 100 = -75.62%
Formula
Percentage change = [(198 - 812) / 812] x 100
Subtract the new number by the original number
198 - 812 = -614
-614 ÷ 812 = -0.7561576354679803
-0.7561576354679803 x 100 = -75.62%