148.06% is the change from 335 to 831
Calculation steps:
[( 831 - 335 ) ÷ 335] x 100 = 148.06%
Formula
Percentage change = [(831 - 335) / 335] x 100
Subtract the new number by the original number
831 - 335 = 496
496 ÷ 335 = 1.480597014925373
1.480597014925373 x 100 = 148.06%