287.05% is the change from 139 to 538
Calculation steps:
[( 538 - 139 ) ÷ 139] x 100 = 287.05%
Formula
Percentage change = [(538 - 139) / 139] x 100
Subtract the new number by the original number
538 - 139 = 399
399 ÷ 139 = 2.870503597122302
2.870503597122302 x 100 = 287.05%