-88.24% is the change from 672 to 79
Calculation steps:
[( 79 - 672 ) ÷ 672] x 100 = -88.24%
Formula
Percentage change = [(79 - 672) / 672] x 100
Subtract the new number by the original number
79 - 672 = -593
-593 ÷ 672 = -0.8824404761904762
-0.8824404761904762 x 100 = -88.24%