18.05% is the change from 543 to 641
Calculation steps:
[( 641 - 543 ) ÷ 543] x 100 = 18.05%
Formula
Percentage change = [(641 - 543) / 543] x 100
Subtract the new number by the original number
641 - 543 = 98
98 ÷ 543 = 0.18047882136279927
0.18047882136279927 x 100 = 18.05%