103.1% is the change from 419 to 851
Calculation steps:
[( 851 - 419 ) ÷ 419] x 100 = 103.1%
Formula
Percentage change = [(851 - 419) / 419] x 100
Subtract the new number by the original number
851 - 419 = 432
432 ÷ 419 = 1.0310262529832936
1.0310262529832936 x 100 = 103.1%