-72.58% is the change from 507 to 139
Calculation steps:
[( 139 - 507 ) ÷ 507] x 100 = -72.58%
Formula
Percentage change = [(139 - 507) / 507] x 100
Subtract the new number by the original number
139 - 507 = -368
-368 ÷ 507 = -0.7258382642998028
-0.7258382642998028 x 100 = -72.58%