-79.7% is the change from 330 to 67
Calculation steps:
[( 67 - 330 ) ÷ 330] x 100 = -79.7%
Formula
Percentage change = [(67 - 330) / 330] x 100
Subtract the new number by the original number
67 - 330 = -263
-263 ÷ 330 = -0.796969696969697
-0.796969696969697 x 100 = -79.7%