-96.58% is the change from 644 to 22
Calculation steps:
[( 22 - 644 ) ÷ 644] x 100 = -96.58%
Formula
Percentage change = [(22 - 644) / 644] x 100
Subtract the new number by the original number
22 - 644 = -622
-622 ÷ 644 = -0.9658385093167702
-0.9658385093167702 x 100 = -96.58%