19.04% is the change from 541 to 644
Calculation steps:
[( 644 - 541 ) ÷ 541] x 100 = 19.04%
Formula
Percentage change = [(644 - 541) / 541] x 100
Subtract the new number by the original number
644 - 541 = 103
103 ÷ 541 = 0.19038817005545286
0.19038817005545286 x 100 = 19.04%