391.33% is the change from 173 to 850
Calculation steps:
[( 850 - 173 ) ÷ 173] x 100 = 391.33%
Formula
Percentage change = [(850 - 173) / 173] x 100
Subtract the new number by the original number
850 - 173 = 677
677 ÷ 173 = 3.913294797687861
3.913294797687861 x 100 = 391.33%