102.44% is the change from 409 to 828
Calculation steps:
[( 828 - 409 ) ÷ 409] x 100 = 102.44%
Formula
Percentage change = [(828 - 409) / 409] x 100
Subtract the new number by the original number
828 - 409 = 419
419 ÷ 409 = 1.0244498777506112
1.0244498777506112 x 100 = 102.44%