-89.88% is the change from 919 to 93
Calculation steps:
[( 93 - 919 ) ÷ 919] x 100 = -89.88%
Formula
Percentage change = [(93 - 919) / 919] x 100
Subtract the new number by the original number
93 - 919 = -826
-826 ÷ 919 = -0.8988030467899891
-0.8988030467899891 x 100 = -89.88%