-77.68% is the change from 811 to 181
Calculation steps:
[( 181 - 811 ) ÷ 811] x 100 = -77.68%
Formula
Percentage change = [(181 - 811) / 811] x 100
Subtract the new number by the original number
181 - 811 = -630
-630 ÷ 811 = -0.7768187422934648
-0.7768187422934648 x 100 = -77.68%