10.91% is the change from 596 to 661
Calculation steps:
[( 661 - 596 ) ÷ 596] x 100 = 10.91%
Formula
Percentage change = [(661 - 596) / 596] x 100
Subtract the new number by the original number
661 - 596 = 65
65 ÷ 596 = 0.10906040268456375
0.10906040268456375 x 100 = 10.91%