7.1% is the change from 507 to 543
Calculation steps:
[( 543 - 507 ) ÷ 507] x 100 = 7.1%
Formula
Percentage change = [(543 - 507) / 507] x 100
Subtract the new number by the original number
543 - 507 = 36
36 ÷ 507 = 0.07100591715976332
0.07100591715976332 x 100 = 7.1%