112.31% is the change from 390 to 828
Calculation steps:
[( 828 - 390 ) ÷ 390] x 100 = 112.31%
Formula
Percentage change = [(828 - 390) / 390] x 100
Subtract the new number by the original number
828 - 390 = 438
438 ÷ 390 = 1.123076923076923
1.123076923076923 x 100 = 112.31%