-60.43% is the change from 139 to 55
Calculation steps:
[( 55 - 139 ) ÷ 139] x 100 = -60.43%
Formula
Percentage change = [(55 - 139) / 139] x 100
Subtract the new number by the original number
55 - 139 = -84
-84 ÷ 139 = -0.60431654676259
-0.60431654676259 x 100 = -60.43%