-77.02% is the change from 531 to 122
Calculation steps:
[( 122 - 531 ) ÷ 531] x 100 = -77.02%
Formula
Percentage change = [(122 - 531) / 531] x 100
Subtract the new number by the original number
122 - 531 = -409
-409 ÷ 531 = -0.7702448210922788
-0.7702448210922788 x 100 = -77.02%