103.67% is the change from 491 to 1000
Calculation steps:
[( 1000 - 491 ) ÷ 491] x 100 = 103.67%
Formula
Percentage change = [(1000 - 491) / 491] x 100
Subtract the new number by the original number
1000 - 491 = 509
509 ÷ 491 = 1.0366598778004072
1.0366598778004072 x 100 = 103.67%