3.26% is the change from 491 to 507
Calculation steps:
[( 507 - 491 ) ÷ 491] x 100 = 3.26%
Formula
Percentage change = [(507 - 491) / 491] x 100
Subtract the new number by the original number
507 - 491 = 16
16 ÷ 491 = 0.032586558044806514
0.032586558044806514 x 100 = 3.26%