21.95% is the change from 442 to 539
Calculation steps:
[( 539 - 442 ) ÷ 442] x 100 = 21.95%
Formula
Percentage change = [(539 - 442) / 442] x 100
Subtract the new number by the original number
539 - 442 = 97
97 ÷ 442 = 0.21945701357466063
0.21945701357466063 x 100 = 21.95%