18.67% is the change from 541 to 642
Calculation steps:
[( 642 - 541 ) ÷ 541] x 100 = 18.67%
Formula
Percentage change = [(642 - 541) / 541] x 100
Subtract the new number by the original number
642 - 541 = 101
101 ÷ 541 = 0.1866913123844732
0.1866913123844732 x 100 = 18.67%