-80% is the change from 930 to 186
Calculation steps:
[( 186 - 930 ) ÷ 930] x 100 = -80%
Formula
Percentage change = [(186 - 930) / 930] x 100
Subtract the new number by the original number
186 - 930 = -744
-744 ÷ 930 = -0.8
-0.8 x 100 = -80%
Example