145.5% is the change from 200 to 491
Calculation steps:
[( 491 - 200 ) ÷ 200] x 100 = 145.5%
Formula
Percentage change = [(491 - 200) / 200] x 100
Subtract the new number by the original number
491 - 200 = 291
291 ÷ 200 = 1.455
1.455 x 100 = 145.5%
Example