-98.36% is the change from 914 to 15
Calculation steps:
[( 15 - 914 ) ÷ 914] x 100 = -98.36%
Formula
Percentage change = [(15 - 914) / 914] x 100
Subtract the new number by the original number
15 - 914 = -899
-899 ÷ 914 = -0.9835886214442013
-0.9835886214442013 x 100 = -98.36%