6.16% is the change from 503 to 534
Calculation steps:
[( 534 - 503 ) ÷ 503] x 100 = 6.16%
Formula
Percentage change = [(534 - 503) / 503] x 100
Subtract the new number by the original number
534 - 503 = 31
31 ÷ 503 = 0.061630218687872766
0.061630218687872766 x 100 = 6.16%