54.95% is the change from 566 to 877
Calculation steps:
[( 877 - 566 ) ÷ 566] x 100 = 54.95%
Formula
Percentage change = [(877 - 566) / 566] x 100
Subtract the new number by the original number
877 - 566 = 311
311 ÷ 566 = 0.549469964664311
0.549469964664311 x 100 = 54.95%