-72.47% is the change from 287 to 79
Calculation steps:
[( 79 - 287 ) ÷ 287] x 100 = -72.47%
Formula
Percentage change = [(79 - 287) / 287] x 100
Subtract the new number by the original number
79 - 287 = -208
-208 ÷ 287 = -0.7247386759581882
-0.7247386759581882 x 100 = -72.47%