-82.22% is the change from 686 to 122
Calculation steps:
[( 122 - 686 ) ÷ 686] x 100 = -82.22%
Formula
Percentage change = [(122 - 686) / 686] x 100
Subtract the new number by the original number
122 - 686 = -564
-564 ÷ 686 = -0.8221574344023324
-0.8221574344023324 x 100 = -82.22%