-96.3% is the change from 622 to 23
Calculation steps:
[( 23 - 622 ) ÷ 622] x 100 = -96.3%
Formula
Percentage change = [(23 - 622) / 622] x 100
Subtract the new number by the original number
23 - 622 = -599
-599 ÷ 622 = -0.9630225080385852
-0.9630225080385852 x 100 = -96.3%