28.66% is the change from 499 to 642
Calculation steps:
[( 642 - 499 ) ÷ 499] x 100 = 28.66%
Formula
Percentage change = [(642 - 499) / 499] x 100
Subtract the new number by the original number
642 - 499 = 143
143 ÷ 499 = 0.2865731462925852
0.2865731462925852 x 100 = 28.66%