-13.5% is the change from 622 to 538
Calculation steps:
[( 538 - 622 ) ÷ 622] x 100 = -13.5%
Formula
Percentage change = [(538 - 622) / 622] x 100
Subtract the new number by the original number
538 - 622 = -84
-84 ÷ 622 = -0.13504823151125403
-0.13504823151125403 x 100 = -13.5%