11.7% is the change from 581 to 649
Calculation steps:
[( 649 - 581 ) ÷ 581] x 100 = 11.7%
Formula
Percentage change = [(649 - 581) / 581] x 100
Subtract the new number by the original number
649 - 581 = 68
68 ÷ 581 = 0.11703958691910499
0.11703958691910499 x 100 = 11.7%