108.8% is the change from 409 to 854
Calculation steps:
[( 854 - 409 ) ÷ 409] x 100 = 108.8%
Formula
Percentage change = [(854 - 409) / 409] x 100
Subtract the new number by the original number
854 - 409 = 445
445 ÷ 409 = 1.0880195599022005
1.0880195599022005 x 100 = 108.8%