-3.36% is the change from 893 to 863
Calculation steps:
[( 863 - 893 ) ÷ 893] x 100 = -3.36%
Formula
Percentage change = [(863 - 893) / 893] x 100
Subtract the new number by the original number
863 - 893 = -30
-30 ÷ 893 = -0.0335946248600224
-0.0335946248600224 x 100 = -3.36%