231.76% is the change from 148 to 491
Calculation steps:
[( 491 - 148 ) ÷ 148] x 100 = 231.76%
Formula
Percentage change = [(491 - 148) / 148] x 100
Subtract the new number by the original number
491 - 148 = 343
343 ÷ 148 = 2.3175675675675675
2.3175675675675675 x 100 = 231.76%