-96.68% is the change from 662 to 22
Calculation steps:
[( 22 - 662 ) ÷ 662] x 100 = -96.68%
Formula
Percentage change = [(22 - 662) / 662] x 100
Subtract the new number by the original number
22 - 662 = -640
-640 ÷ 662 = -0.9667673716012085
-0.9667673716012085 x 100 = -96.68%