-89.76% is the change from 908 to 93
Calculation steps:
[( 93 - 908 ) ÷ 908] x 100 = -89.76%
Formula
Percentage change = [(93 - 908) / 908] x 100
Subtract the new number by the original number
93 - 908 = -815
-815 ÷ 908 = -0.8975770925110133
-0.8975770925110133 x 100 = -89.76%