103.44% is the change from 407 to 828
Calculation steps:
[( 828 - 407 ) ÷ 407] x 100 = 103.44%
Formula
Percentage change = [(828 - 407) / 407] x 100
Subtract the new number by the original number
828 - 407 = 421
421 ÷ 407 = 1.0343980343980343
1.0343980343980343 x 100 = 103.44%