-89.17% is the change from 914 to 99
Calculation steps:
[( 99 - 914 ) ÷ 914] x 100 = -89.17%
Formula
Percentage change = [(99 - 914) / 914] x 100
Subtract the new number by the original number
99 - 914 = -815
-815 ÷ 914 = -0.8916849015317286
-0.8916849015317286 x 100 = -89.17%