68.9% is the change from 566 to 956
Calculation steps:
[( 956 - 566 ) ÷ 566] x 100 = 68.9%
Formula
Percentage change = [(956 - 566) / 566] x 100
Subtract the new number by the original number
956 - 566 = 390
390 ÷ 566 = 0.6890459363957597
0.6890459363957597 x 100 = 68.9%