338.1% is the change from 189 to 828
Calculation steps:
[( 828 - 189 ) ÷ 189] x 100 = 338.1%
Formula
Percentage change = [(828 - 189) / 189] x 100
Subtract the new number by the original number
828 - 189 = 639
639 ÷ 189 = 3.380952380952381
3.380952380952381 x 100 = 338.1%