-80.65% is the change from 930 to 180
Calculation steps:
[( 180 - 930 ) ÷ 930] x 100 = -80.65%
Formula
Percentage change = [(180 - 930) / 930] x 100
Subtract the new number by the original number
180 - 930 = -750
-750 ÷ 930 = -0.8064516129032258
-0.8064516129032258 x 100 = -80.65%