11.76% is the change from 17 to 19
Calculation steps:
[( 19 - 17 ) ÷ 17] x 100 = 11.76%
Formula
Percentage change = [(19 - 17) / 17] x 100
Subtract the new number by the original number
19 - 17 = 2
2 ÷ 17 = 0.11764705882352941
0.11764705882352941 x 100 = 11.76%