-21.86% is the change from 622 to 486
Calculation steps:
[( 486 - 622 ) ÷ 622] x 100 = -21.86%
Formula
Percentage change = [(486 - 622) / 622] x 100
Subtract the new number by the original number
486 - 622 = -136
-136 ÷ 622 = -0.21864951768488747
-0.21864951768488747 x 100 = -21.86%