490.28% is the change from 144 to 850
Calculation steps:
[( 850 - 144 ) ÷ 144] x 100 = 490.28%
Formula
Percentage change = [(850 - 144) / 144] x 100
Subtract the new number by the original number
850 - 144 = 706
706 ÷ 144 = 4.902777777777778
4.902777777777778 x 100 = 490.28%