49.91% is the change from 577 to 865
Calculation steps:
[( 865 - 577 ) ÷ 577] x 100 = 49.91%
Formula
Percentage change = [(865 - 577) / 577] x 100
Subtract the new number by the original number
865 - 577 = 288
288 ÷ 577 = 0.49913344887348354
0.49913344887348354 x 100 = 49.91%