-51.11% is the change from 270 to 132
Calculation steps:
[( 132 - 270 ) ÷ 270] x 100 = -51.11%
Formula
Percentage change = [(132 - 270) / 270] x 100
Subtract the new number by the original number
132 - 270 = -138
-138 ÷ 270 = -0.5111111111111111
-0.5111111111111111 x 100 = -51.11%