104.88% is the change from 410 to 840
Calculation steps:
[( 840 - 410 ) ÷ 410] x 100 = 104.88%
Formula
Percentage change = [(840 - 410) / 410] x 100
Subtract the new number by the original number
840 - 410 = 430
430 ÷ 410 = 1.048780487804878
1.048780487804878 x 100 = 104.88%