17.73% is the change from 722 to 850
Calculation steps:
[( 850 - 722 ) ÷ 722] x 100 = 17.73%
Formula
Percentage change = [(850 - 722) / 722] x 100
Subtract the new number by the original number
850 - 722 = 128
128 ÷ 722 = 0.1772853185595568
0.1772853185595568 x 100 = 17.73%