-45.5% is the change from 622 to 339
Calculation steps:
[( 339 - 622 ) ÷ 622] x 100 = -45.5%
Formula
Percentage change = [(339 - 622) / 622] x 100
Subtract the new number by the original number
339 - 622 = -283
-283 ÷ 622 = -0.454983922829582
-0.454983922829582 x 100 = -45.5%