13.26% is the change from 543 to 615
Calculation steps:
[( 615 - 543 ) ÷ 543] x 100 = 13.26%
Formula
Percentage change = [(615 - 543) / 543] x 100
Subtract the new number by the original number
615 - 543 = 72
72 ÷ 543 = 0.13259668508287292
0.13259668508287292 x 100 = 13.26%