-30.7% is the change from 811 to 562
Calculation steps:
[( 562 - 811 ) ÷ 811] x 100 = -30.7%
Formula
Percentage change = [(562 - 811) / 811] x 100
Subtract the new number by the original number
562 - 811 = -249
-249 ÷ 811 = -0.3070283600493218
-0.3070283600493218 x 100 = -30.7%