7.3% is the change from 507 to 544
Calculation steps:
[( 544 - 507 ) ÷ 507] x 100 = 7.3%
Formula
Percentage change = [(544 - 507) / 507] x 100
Subtract the new number by the original number
544 - 507 = 37
37 ÷ 507 = 0.07297830374753451
0.07297830374753451 x 100 = 7.3%