150.45% is the change from 331 to 829
Calculation steps:
[( 829 - 331 ) ÷ 331] x 100 = 150.45%
Formula
Percentage change = [(829 - 331) / 331] x 100
Subtract the new number by the original number
829 - 331 = 498
498 ÷ 331 = 1.5045317220543806
1.5045317220543806 x 100 = 150.45%