22.51% is the change from 542 to 664
Calculation steps:
[( 664 - 542 ) ÷ 542] x 100 = 22.51%
Formula
Percentage change = [(664 - 542) / 542] x 100
Subtract the new number by the original number
664 - 542 = 122
122 ÷ 542 = 0.22509225092250923
0.22509225092250923 x 100 = 22.51%