57.67% is the change from 489 to 771
Calculation steps:
[( 771 - 489 ) ÷ 489] x 100 = 57.67%
Formula
Percentage change = [(771 - 489) / 489] x 100
Subtract the new number by the original number
771 - 489 = 282
282 ÷ 489 = 0.5766871165644172
0.5766871165644172 x 100 = 57.67%