84.82% is the change from 448 to 828
Calculation steps:
[( 828 - 448 ) ÷ 448] x 100 = 84.82%
Formula
Percentage change = [(828 - 448) / 448] x 100
Subtract the new number by the original number
828 - 448 = 380
380 ÷ 448 = 0.8482142857142857
0.8482142857142857 x 100 = 84.82%