-23.06% is the change from 811 to 624
Calculation steps:
[( 624 - 811 ) ÷ 811] x 100 = -23.06%
Formula
Percentage change = [(624 - 811) / 811] x 100
Subtract the new number by the original number
624 - 811 = -187
-187 ÷ 811 = -0.23057953144266338
-0.23057953144266338 x 100 = -23.06%