-81.26% is the change from 811 to 152
Calculation steps:
[( 152 - 811 ) ÷ 811] x 100 = -81.26%
Formula
Percentage change = [(152 - 811) / 811] x 100
Subtract the new number by the original number
152 - 811 = -659
-659 ÷ 811 = -0.812577065351418
-0.812577065351418 x 100 = -81.26%