19.34% is the change from 543 to 648
Calculation steps:
[( 648 - 543 ) ÷ 543] x 100 = 19.34%
Formula
Percentage change = [(648 - 543) / 543] x 100
Subtract the new number by the original number
648 - 543 = 105
105 ÷ 543 = 0.19337016574585636
0.19337016574585636 x 100 = 19.34%