-82.03% is the change from 679 to 122
Calculation steps:
[( 122 - 679 ) ÷ 679] x 100 = -82.03%
Formula
Percentage change = [(122 - 679) / 679] x 100
Subtract the new number by the original number
122 - 679 = -557
-557 ÷ 679 = -0.8203240058910162
-0.8203240058910162 x 100 = -82.03%