-76.48% is the change from 812 to 191
Calculation steps:
[( 191 - 812 ) ÷ 812] x 100 = -76.48%
Formula
Percentage change = [(191 - 812) / 812] x 100
Subtract the new number by the original number
191 - 812 = -621
-621 ÷ 812 = -0.7647783251231527
-0.7647783251231527 x 100 = -76.48%