15.79% is the change from 19 to 22
Calculation steps:
[( 22 - 19 ) ÷ 19] x 100 = 15.79%
Formula
Percentage change = [(22 - 19) / 19] x 100
Subtract the new number by the original number
22 - 19 = 3
3 ÷ 19 = 0.15789473684210525
0.15789473684210525 x 100 = 15.79%