-77.84% is the change from 582 to 129
Calculation steps:
[( 129 - 582 ) ÷ 582] x 100 = -77.84%
Formula
Percentage change = [(129 - 582) / 582] x 100
Subtract the new number by the original number
129 - 582 = -453
-453 ÷ 582 = -0.7783505154639175
-0.7783505154639175 x 100 = -77.84%