-74.16% is the change from 538 to 139
Calculation steps:
[( 139 - 538 ) ÷ 538] x 100 = -74.16%
Formula
Percentage change = [(139 - 538) / 538] x 100
Subtract the new number by the original number
139 - 538 = -399
-399 ÷ 538 = -0.741635687732342
-0.741635687732342 x 100 = -74.16%