88.18% is the change from 440 to 828
Calculation steps:
[( 828 - 440 ) ÷ 440] x 100 = 88.18%
Formula
Percentage change = [(828 - 440) / 440] x 100
Subtract the new number by the original number
828 - 440 = 388
388 ÷ 440 = 0.8818181818181818
0.8818181818181818 x 100 = 88.18%