-20.9% is the change from 67 to 53
Calculation steps:
[( 53 - 67 ) ÷ 67] x 100 = -20.9%
Formula
Percentage change = [(53 - 67) / 67] x 100
Subtract the new number by the original number
53 - 67 = -14
-14 ÷ 67 = -0.208955223880597
-0.208955223880597 x 100 = -20.9%