89.73% is the change from 448 to 850
Calculation steps:
[( 850 - 448 ) ÷ 448] x 100 = 89.73%
Formula
Percentage change = [(850 - 448) / 448] x 100
Subtract the new number by the original number
850 - 448 = 402
402 ÷ 448 = 0.8973214285714286
0.8973214285714286 x 100 = 89.73%