-50.74% is the change from 270 to 133
Calculation steps:
[( 133 - 270 ) ÷ 270] x 100 = -50.74%
Formula
Percentage change = [(133 - 270) / 270] x 100
Subtract the new number by the original number
133 - 270 = -137
-137 ÷ 270 = -0.5074074074074074
-0.5074074074074074 x 100 = -50.74%