-98.11% is the change from 794 to 15
Calculation steps:
[( 15 - 794 ) ÷ 794] x 100 = -98.11%
Formula
Percentage change = [(15 - 794) / 794] x 100
Subtract the new number by the original number
15 - 794 = -779
-779 ÷ 794 = -0.9811083123425692
-0.9811083123425692 x 100 = -98.11%