1.29% is the change from 543 to 550
Calculation steps:
[( 550 - 543 ) ÷ 543] x 100 = 1.29%
Formula
Percentage change = [(550 - 543) / 543] x 100
Subtract the new number by the original number
550 - 543 = 7
7 ÷ 543 = 0.01289134438305709
0.01289134438305709 x 100 = 1.29%