-80.74% is the change from 270 to 52
Calculation steps:
[( 52 - 270 ) ÷ 270] x 100 = -80.74%
Formula
Percentage change = [(52 - 270) / 270] x 100
Subtract the new number by the original number
52 - 270 = -218
-218 ÷ 270 = -0.8074074074074075
-0.8074074074074075 x 100 = -80.74%