-75.59% is the change from 811 to 198
Calculation steps:
[( 198 - 811 ) ÷ 811] x 100 = -75.59%
Formula
Percentage change = [(198 - 811) / 811] x 100
Subtract the new number by the original number
198 - 811 = -613
-613 ÷ 811 = -0.7558569667077681
-0.7558569667077681 x 100 = -75.59%