-95.5% is the change from 622 to 28
Calculation steps:
[( 28 - 622 ) ÷ 622] x 100 = -95.5%
Formula
Percentage change = [(28 - 622) / 622] x 100
Subtract the new number by the original number
28 - 622 = -594
-594 ÷ 622 = -0.954983922829582
-0.954983922829582 x 100 = -95.5%