56.71% is the change from 492 to 771
Calculation steps:
[( 771 - 492 ) ÷ 492] x 100 = 56.71%
Formula
Percentage change = [(771 - 492) / 492] x 100
Subtract the new number by the original number
771 - 492 = 279
279 ÷ 492 = 0.5670731707317073
0.5670731707317073 x 100 = 56.71%