82.37% is the change from 448 to 817
Calculation steps:
[( 817 - 448 ) ÷ 448] x 100 = 82.37%
Formula
Percentage change = [(817 - 448) / 448] x 100
Subtract the new number by the original number
817 - 448 = 369
369 ÷ 448 = 0.8236607142857143
0.8236607142857143 x 100 = 82.37%