-75.99% is the change from 579 to 139
Calculation steps:
[( 139 - 579 ) ÷ 579] x 100 = -75.99%
Formula
Percentage change = [(139 - 579) / 579] x 100
Subtract the new number by the original number
139 - 579 = -440
-440 ÷ 579 = -0.7599309153713298
-0.7599309153713298 x 100 = -75.99%