-80% is the change from 905 to 181
Calculation steps:
[( 181 - 905 ) ÷ 905] x 100 = -80%
Formula
Percentage change = [(181 - 905) / 905] x 100
Subtract the new number by the original number
181 - 905 = -724
-724 ÷ 905 = -0.8
-0.8 x 100 = -80%
Example