8.16% is the change from 613 to 663
Calculation steps:
[( 663 - 613 ) ÷ 613] x 100 = 8.16%
Formula
Percentage change = [(663 - 613) / 613] x 100
Subtract the new number by the original number
663 - 613 = 50
50 ÷ 613 = 0.08156606851549755
0.08156606851549755 x 100 = 8.16%