21.55% is the change from 566 to 688
Calculation steps:
[( 688 - 566 ) ÷ 566] x 100 = 21.55%
Formula
Percentage change = [(688 - 566) / 566] x 100
Subtract the new number by the original number
688 - 566 = 122
122 ÷ 566 = 0.21554770318021202
0.21554770318021202 x 100 = 21.55%