21.38% is the change from 566 to 687
Calculation steps:
[( 687 - 566 ) ÷ 566] x 100 = 21.38%
Formula
Percentage change = [(687 - 566) / 566] x 100
Subtract the new number by the original number
687 - 566 = 121
121 ÷ 566 = 0.2137809187279152
0.2137809187279152 x 100 = 21.38%