-78.59% is the change from 313 to 67
Calculation steps:
[( 67 - 313 ) ÷ 313] x 100 = -78.59%
Formula
Percentage change = [(67 - 313) / 313] x 100
Subtract the new number by the original number
67 - 313 = -246
-246 ÷ 313 = -0.7859424920127795
-0.7859424920127795 x 100 = -78.59%