-50.55% is the change from 546 to 270
Calculation steps:
[( 270 - 546 ) ÷ 546] x 100 = -50.55%
Formula
Percentage change = [(270 - 546) / 546] x 100
Subtract the new number by the original number
270 - 546 = -276
-276 ÷ 546 = -0.5054945054945055
-0.5054945054945055 x 100 = -50.55%