83.3% is the change from 539 to 988
Calculation steps:
[( 988 - 539 ) ÷ 539] x 100 = 83.3%
Formula
Percentage change = [(988 - 539) / 539] x 100
Subtract the new number by the original number
988 - 539 = 449
449 ÷ 539 = 0.8330241187384044
0.8330241187384044 x 100 = 83.3%