-84.59% is the change from 266 to 41
Calculation steps:
[( 41 - 266 ) ÷ 266] x 100 = -84.59%
Formula
Percentage change = [(41 - 266) / 266] x 100
Subtract the new number by the original number
41 - 266 = -225
-225 ÷ 266 = -0.8458646616541353
-0.8458646616541353 x 100 = -84.59%