397.78% is the change from 90 to 448
Calculation steps:
[( 448 - 90 ) ÷ 90] x 100 = 397.78%
Formula
Percentage change = [(448 - 90) / 90] x 100
Subtract the new number by the original number
448 - 90 = 358
358 ÷ 90 = 3.977777777777778
3.977777777777778 x 100 = 397.78%