100% is the change from 414 to 828
Calculation steps:
[( 828 - 414 ) ÷ 414] x 100 = 100%
Formula
Percentage change = [(828 - 414) / 414] x 100
Subtract the new number by the original number
828 - 414 = 414
414 ÷ 414 = 1
1 x 100 = 100%
Example