-89.7% is the change from 903 to 93
Calculation steps:
[( 93 - 903 ) ÷ 903] x 100 = -89.7%
Formula
Percentage change = [(93 - 903) / 903] x 100
Subtract the new number by the original number
93 - 903 = -810
-810 ÷ 903 = -0.8970099667774086
-0.8970099667774086 x 100 = -89.7%