11.45% is the change from 550 to 613
Calculation steps:
[( 613 - 550 ) ÷ 550] x 100 = 11.45%
Formula
Percentage change = [(613 - 550) / 550] x 100
Subtract the new number by the original number
613 - 550 = 63
63 ÷ 550 = 0.11454545454545455
0.11454545454545455 x 100 = 11.45%