-23.49% is the change from 813 to 622
Calculation steps:
[( 622 - 813 ) ÷ 813] x 100 = -23.49%
Formula
Percentage change = [(622 - 813) / 813] x 100
Subtract the new number by the original number
622 - 813 = -191
-191 ÷ 813 = -0.23493234932349324
-0.23493234932349324 x 100 = -23.49%