17.82% is the change from 522 to 615
Calculation steps:
[( 615 - 522 ) ÷ 522] x 100 = 17.82%
Formula
Percentage change = [(615 - 522) / 522] x 100
Subtract the new number by the original number
615 - 522 = 93
93 ÷ 522 = 0.1781609195402299
0.1781609195402299 x 100 = 17.82%