144.97% is the change from 338 to 828
Calculation steps:
[( 828 - 338 ) ÷ 338] x 100 = 144.97%
Formula
Percentage change = [(828 - 338) / 338] x 100
Subtract the new number by the original number
828 - 338 = 490
490 ÷ 338 = 1.4497041420118344
1.4497041420118344 x 100 = 144.97%