19.4% is the change from 67 to 80
Calculation steps:
[( 80 - 67 ) ÷ 67] x 100 = 19.4%
Formula
Percentage change = [(80 - 67) / 67] x 100
Subtract the new number by the original number
80 - 67 = 13
13 ÷ 67 = 0.19402985074626866
0.19402985074626866 x 100 = 19.4%