-74.11% is the change from 811 to 210
Calculation steps:
[( 210 - 811 ) ÷ 811] x 100 = -74.11%
Formula
Percentage change = [(210 - 811) / 811] x 100
Subtract the new number by the original number
210 - 811 = -601
-601 ÷ 811 = -0.7410604192355117
-0.7410604192355117 x 100 = -74.11%