-16.24% is the change from 622 to 521
Calculation steps:
[( 521 - 622 ) ÷ 622] x 100 = -16.24%
Formula
Percentage change = [(521 - 622) / 622] x 100
Subtract the new number by the original number
521 - 622 = -101
-101 ÷ 622 = -0.16237942122186494
-0.16237942122186494 x 100 = -16.24%