-18.29% is the change from 82 to 67
Calculation steps:
[( 67 - 82 ) ÷ 82] x 100 = -18.29%
Formula
Percentage change = [(67 - 82) / 82] x 100
Subtract the new number by the original number
67 - 82 = -15
-15 ÷ 82 = -0.18292682926829268
-0.18292682926829268 x 100 = -18.29%