109.09% is the change from 407 to 851
Calculation steps:
[( 851 - 407 ) ÷ 407] x 100 = 109.09%
Formula
Percentage change = [(851 - 407) / 407] x 100
Subtract the new number by the original number
851 - 407 = 444
444 ÷ 407 = 1.0909090909090908
1.0909090909090908 x 100 = 109.09%