150.15% is the change from 331 to 828
Calculation steps:
[( 828 - 331 ) ÷ 331] x 100 = 150.15%
Formula
Percentage change = [(828 - 331) / 331] x 100
Subtract the new number by the original number
828 - 331 = 497
497 ÷ 331 = 1.501510574018127
1.501510574018127 x 100 = 150.15%