-78.97% is the change from 580 to 122
Calculation steps:
[( 122 - 580 ) ÷ 580] x 100 = -78.97%
Formula
Percentage change = [(122 - 580) / 580] x 100
Subtract the new number by the original number
122 - 580 = -458
-458 ÷ 580 = -0.7896551724137931
-0.7896551724137931 x 100 = -78.97%