-80% is the change from 260 to 52
Calculation steps:
[( 52 - 260 ) ÷ 260] x 100 = -80%
Formula
Percentage change = [(52 - 260) / 260] x 100
Subtract the new number by the original number
52 - 260 = -208
-208 ÷ 260 = -0.8
-0.8 x 100 = -80%
Example