-64.12% is the change from 811 to 291
Calculation steps:
[( 291 - 811 ) ÷ 811] x 100 = -64.12%
Formula
Percentage change = [(291 - 811) / 811] x 100
Subtract the new number by the original number
291 - 811 = -520
-520 ÷ 811 = -0.6411837237977805
-0.6411837237977805 x 100 = -64.12%