31.92% is the change from 542 to 715
Calculation steps:
[( 715 - 542 ) ÷ 542] x 100 = 31.92%
Formula
Percentage change = [(715 - 542) / 542] x 100
Subtract the new number by the original number
715 - 542 = 173
173 ÷ 542 = 0.3191881918819188
0.3191881918819188 x 100 = 31.92%