13.66% is the change from 666 to 757
Calculation steps:
[( 757 - 666 ) ÷ 666] x 100 = 13.66%
Formula
Percentage change = [(757 - 666) / 666] x 100
Subtract the new number by the original number
757 - 666 = 91
91 ÷ 666 = 0.13663663663663664
0.13663663663663664 x 100 = 13.66%