-81.03% is the change from 949 to 180
Calculation steps:
[( 180 - 949 ) ÷ 949] x 100 = -81.03%
Formula
Percentage change = [(180 - 949) / 949] x 100
Subtract the new number by the original number
180 - 949 = -769
-769 ÷ 949 = -0.8103266596417281
-0.8103266596417281 x 100 = -81.03%