-80.45% is the change from 266 to 52
Calculation steps:
[( 52 - 266 ) ÷ 266] x 100 = -80.45%
Formula
Percentage change = [(52 - 266) / 266] x 100
Subtract the new number by the original number
52 - 266 = -214
-214 ÷ 266 = -0.8045112781954887
-0.8045112781954887 x 100 = -80.45%