39.92% is the change from 491 to 687
Calculation steps:
[( 687 - 491 ) ÷ 491] x 100 = 39.92%
Formula
Percentage change = [(687 - 491) / 491] x 100
Subtract the new number by the original number
687 - 491 = 196
196 ÷ 491 = 0.39918533604887985
0.39918533604887985 x 100 = 39.92%