121.93% is the change from 383 to 850
Calculation steps:
[( 850 - 383 ) ÷ 383] x 100 = 121.93%
Formula
Percentage change = [(850 - 383) / 383] x 100
Subtract the new number by the original number
850 - 383 = 467
467 ÷ 383 = 1.2193211488250653
1.2193211488250653 x 100 = 121.93%