-96.62% is the change from 650 to 22
Calculation steps:
[( 22 - 650 ) ÷ 650] x 100 = -96.62%
Formula
Percentage change = [(22 - 650) / 650] x 100
Subtract the new number by the original number
22 - 650 = -628
-628 ÷ 650 = -0.9661538461538461
-0.9661538461538461 x 100 = -96.62%