18.2% is the change from 456 to 539
Calculation steps:
[( 539 - 456 ) ÷ 456] x 100 = 18.2%
Formula
Percentage change = [(539 - 456) / 456] x 100
Subtract the new number by the original number
539 - 456 = 83
83 ÷ 456 = 0.18201754385964913
0.18201754385964913 x 100 = 18.2%