-30.95% is the change from 811 to 560
Calculation steps:
[( 560 - 811 ) ÷ 811] x 100 = -30.95%
Formula
Percentage change = [(560 - 811) / 811] x 100
Subtract the new number by the original number
560 - 811 = -251
-251 ÷ 811 = -0.3094944512946979
-0.3094944512946979 x 100 = -30.95%