285% is the change from 140 to 539
Calculation steps:
[( 539 - 140 ) ÷ 140] x 100 = 285%
Formula
Percentage change = [(539 - 140) / 140] x 100
Subtract the new number by the original number
539 - 140 = 399
399 ÷ 140 = 2.85
2.85 x 100 = 285%
Example