-13.98% is the change from 930 to 800
Calculation steps:
[( 800 - 930 ) ÷ 930] x 100 = -13.98%
Formula
Percentage change = [(800 - 930) / 930] x 100
Subtract the new number by the original number
800 - 930 = -130
-130 ÷ 930 = -0.13978494623655913
-0.13978494623655913 x 100 = -13.98%