9.46% is the change from 613 to 671
Calculation steps:
[( 671 - 613 ) ÷ 613] x 100 = 9.46%
Formula
Percentage change = [(671 - 613) / 613] x 100
Subtract the new number by the original number
671 - 613 = 58
58 ÷ 613 = 0.09461663947797716
0.09461663947797716 x 100 = 9.46%