28.2% is the change from 539 to 691
Calculation steps:
[( 691 - 539 ) ÷ 539] x 100 = 28.2%
Formula
Percentage change = [(691 - 539) / 539] x 100
Subtract the new number by the original number
691 - 539 = 152
152 ÷ 539 = 0.2820037105751391
0.2820037105751391 x 100 = 28.2%