-77.64% is the change from 805 to 180
Calculation steps:
[( 180 - 805 ) ÷ 805] x 100 = -77.64%
Formula
Percentage change = [(180 - 805) / 805] x 100
Subtract the new number by the original number
180 - 805 = -625
-625 ÷ 805 = -0.7763975155279503
-0.7763975155279503 x 100 = -77.64%