-96.79% is the change from 686 to 22
Calculation steps:
[( 22 - 686 ) ÷ 686] x 100 = -96.79%
Formula
Percentage change = [(22 - 686) / 686] x 100
Subtract the new number by the original number
22 - 686 = -664
-664 ÷ 686 = -0.967930029154519
-0.967930029154519 x 100 = -96.79%