-18.49% is the change from 622 to 507
Calculation steps:
[( 507 - 622 ) ÷ 622] x 100 = -18.49%
Formula
Percentage change = [(507 - 622) / 622] x 100
Subtract the new number by the original number
507 - 622 = -115
-115 ÷ 622 = -0.18488745980707397
-0.18488745980707397 x 100 = -18.49%