19.52% is the change from 543 to 649
Calculation steps:
[( 649 - 543 ) ÷ 543] x 100 = 19.52%
Formula
Percentage change = [(649 - 543) / 543] x 100
Subtract the new number by the original number
649 - 543 = 106
106 ÷ 543 = 0.19521178637200737
0.19521178637200737 x 100 = 19.52%