277.7% is the change from 139 to 525
Calculation steps:
[( 525 - 139 ) ÷ 139] x 100 = 277.7%
Formula
Percentage change = [(525 - 139) / 139] x 100
Subtract the new number by the original number
525 - 139 = 386
386 ÷ 139 = 2.776978417266187
2.776978417266187 x 100 = 277.7%