-96.57% is the change from 641 to 22
Calculation steps:
[( 22 - 641 ) ÷ 641] x 100 = -96.57%
Formula
Percentage change = [(22 - 641) / 641] x 100
Subtract the new number by the original number
22 - 641 = -619
-619 ÷ 641 = -0.9656786271450858
-0.9656786271450858 x 100 = -96.57%