17.49% is the change from 566 to 665
Calculation steps:
[( 665 - 566 ) ÷ 566] x 100 = 17.49%
Formula
Percentage change = [(665 - 566) / 566] x 100
Subtract the new number by the original number
665 - 566 = 99
99 ÷ 566 = 0.17491166077738515
0.17491166077738515 x 100 = 17.49%