102.94% is the change from 408 to 828
Calculation steps:
[( 828 - 408 ) ÷ 408] x 100 = 102.94%
Formula
Percentage change = [(828 - 408) / 408] x 100
Subtract the new number by the original number
828 - 408 = 420
420 ÷ 408 = 1.0294117647058822
1.0294117647058822 x 100 = 102.94%