236.3% is the change from 146 to 491
Calculation steps:
[( 491 - 146 ) ÷ 146] x 100 = 236.3%
Formula
Percentage change = [(491 - 146) / 146] x 100
Subtract the new number by the original number
491 - 146 = 345
345 ÷ 146 = 2.363013698630137
2.363013698630137 x 100 = 236.3%