58.45% is the change from 491 to 778
Calculation steps:
[( 778 - 491 ) ÷ 491] x 100 = 58.45%
Formula
Percentage change = [(778 - 491) / 491] x 100
Subtract the new number by the original number
778 - 491 = 287
287 ÷ 491 = 0.5845213849287169
0.5845213849287169 x 100 = 58.45%