143.5% is the change from 331 to 806
Calculation steps:
[( 806 - 331 ) ÷ 331] x 100 = 143.5%
Formula
Percentage change = [(806 - 331) / 331] x 100
Subtract the new number by the original number
806 - 331 = 475
475 ÷ 331 = 1.4350453172205437
1.4350453172205437 x 100 = 143.5%