-89.97% is the change from 927 to 93
Calculation steps:
[( 93 - 927 ) ÷ 927] x 100 = -89.97%
Formula
Percentage change = [(93 - 927) / 927] x 100
Subtract the new number by the original number
93 - 927 = -834
-834 ÷ 927 = -0.8996763754045307
-0.8996763754045307 x 100 = -89.97%