-80% is the change from 205 to 41
Calculation steps:
[( 41 - 205 ) ÷ 205] x 100 = -80%
Formula
Percentage change = [(41 - 205) / 205] x 100
Subtract the new number by the original number
41 - 205 = -164
-164 ÷ 205 = -0.8
-0.8 x 100 = -80%
Example