-45.93% is the change from 270 to 146
Calculation steps:
[( 146 - 270 ) ÷ 270] x 100 = -45.93%
Formula
Percentage change = [(146 - 270) / 270] x 100
Subtract the new number by the original number
146 - 270 = -124
-124 ÷ 270 = -0.45925925925925926
-0.45925925925925926 x 100 = -45.93%