108.85% is the change from 407 to 850
Calculation steps:
[( 850 - 407 ) ÷ 407] x 100 = 108.85%
Formula
Percentage change = [(850 - 407) / 407] x 100
Subtract the new number by the original number
850 - 407 = 443
443 ÷ 407 = 1.0884520884520885
1.0884520884520885 x 100 = 108.85%