19.55% is the change from 491 to 587
Calculation steps:
[( 587 - 491 ) ÷ 491] x 100 = 19.55%
Formula
Percentage change = [(587 - 491) / 491] x 100
Subtract the new number by the original number
587 - 491 = 96
96 ÷ 491 = 0.1955193482688391
0.1955193482688391 x 100 = 19.55%