-19.4% is the change from 67 to 54
Calculation steps:
[( 54 - 67 ) ÷ 67] x 100 = -19.4%
Formula
Percentage change = [(54 - 67) / 67] x 100
Subtract the new number by the original number
54 - 67 = -13
-13 ÷ 67 = -0.19402985074626866
-0.19402985074626866 x 100 = -19.4%