-82.22% is the change from 270 to 48
Calculation steps:
[( 48 - 270 ) ÷ 270] x 100 = -82.22%
Formula
Percentage change = [(48 - 270) / 270] x 100
Subtract the new number by the original number
48 - 270 = -222
-222 ÷ 270 = -0.8222222222222222
-0.8222222222222222 x 100 = -82.22%