51.12% is the change from 491 to 742
Calculation steps:
[( 742 - 491 ) ÷ 491] x 100 = 51.12%
Formula
Percentage change = [(742 - 491) / 491] x 100
Subtract the new number by the original number
742 - 491 = 251
251 ÷ 491 = 0.5112016293279023
0.5112016293279023 x 100 = 51.12%