101.01% is the change from 493 to 991
Calculation steps:
[( 991 - 493 ) ÷ 493] x 100 = 101.01%
Formula
Percentage change = [(991 - 493) / 493] x 100
Subtract the new number by the original number
991 - 493 = 498
498 ÷ 493 = 1.0101419878296145
1.0101419878296145 x 100 = 101.01%