-90.04% is the change from 914 to 91
Calculation steps:
[( 91 - 914 ) ÷ 914] x 100 = -90.04%
Formula
Percentage change = [(91 - 914) / 914] x 100
Subtract the new number by the original number
91 - 914 = -823
-823 ÷ 914 = -0.9004376367614879
-0.9004376367614879 x 100 = -90.04%