14.39% is the change from 542 to 620
Calculation steps:
[( 620 - 542 ) ÷ 542] x 100 = 14.39%
Formula
Percentage change = [(620 - 542) / 542] x 100
Subtract the new number by the original number
620 - 542 = 78
78 ÷ 542 = 0.14391143911439114
0.14391143911439114 x 100 = 14.39%