202.16% is the change from 139 to 420
Calculation steps:
[( 420 - 139 ) ÷ 139] x 100 = 202.16%
Formula
Percentage change = [(420 - 139) / 139] x 100
Subtract the new number by the original number
420 - 139 = 281
281 ÷ 139 = 2.0215827338129495
2.0215827338129495 x 100 = 202.16%