83.18% is the change from 440 to 806
Calculation steps:
[( 806 - 440 ) ÷ 440] x 100 = 83.18%
Formula
Percentage change = [(806 - 440) / 440] x 100
Subtract the new number by the original number
806 - 440 = 366
366 ÷ 440 = 0.8318181818181818
0.8318181818181818 x 100 = 83.18%