-89.74% is the change from 906 to 93
Calculation steps:
[( 93 - 906 ) ÷ 906] x 100 = -89.74%
Formula
Percentage change = [(93 - 906) / 906] x 100
Subtract the new number by the original number
93 - 906 = -813
-813 ÷ 906 = -0.8973509933774835
-0.8973509933774835 x 100 = -89.74%