-23.3% is the change from 811 to 622
Calculation steps:
[( 622 - 811 ) ÷ 811] x 100 = -23.3%
Formula
Percentage change = [(622 - 811) / 811] x 100
Subtract the new number by the original number
622 - 811 = -189
-189 ÷ 811 = -0.23304562268803947
-0.23304562268803947 x 100 = -23.3%