15.94% is the change from 69 to 80
Calculation steps:
[( 80 - 69 ) ÷ 69] x 100 = 15.94%
Formula
Percentage change = [(80 - 69) / 69] x 100
Subtract the new number by the original number
80 - 69 = 11
11 ÷ 69 = 0.15942028985507245
0.15942028985507245 x 100 = 15.94%