12.61% is the change from 587 to 661
Calculation steps:
[( 661 - 587 ) ÷ 587] x 100 = 12.61%
Formula
Percentage change = [(661 - 587) / 587] x 100
Subtract the new number by the original number
661 - 587 = 74
74 ÷ 587 = 0.1260647359454855
0.1260647359454855 x 100 = 12.61%