6.38% is the change from 799 to 850
Calculation steps:
[( 850 - 799 ) ÷ 799] x 100 = 6.38%
Formula
Percentage change = [(850 - 799) / 799] x 100
Subtract the new number by the original number
850 - 799 = 51
51 ÷ 799 = 0.06382978723404255
0.06382978723404255 x 100 = 6.38%