34.19% is the change from 503 to 675
Calculation steps:
[( 675 - 503 ) ÷ 503] x 100 = 34.19%
Formula
Percentage change = [(675 - 503) / 503] x 100
Subtract the new number by the original number
675 - 503 = 172
172 ÷ 503 = 0.341948310139165
0.341948310139165 x 100 = 34.19%