-88.3% is the change from 675 to 79
Calculation steps:
[( 79 - 675 ) ÷ 675] x 100 = -88.3%
Formula
Percentage change = [(79 - 675) / 675] x 100
Subtract the new number by the original number
79 - 675 = -596
-596 ÷ 675 = -0.882962962962963
-0.882962962962963 x 100 = -88.3%