151.96% is the change from 331 to 834
Calculation steps:
[( 834 - 331 ) ÷ 331] x 100 = 151.96%
Formula
Percentage change = [(834 - 331) / 331] x 100
Subtract the new number by the original number
834 - 331 = 503
503 ÷ 331 = 1.5196374622356494
1.5196374622356494 x 100 = 151.96%