-43.94% is the change from 487 to 273
Calculation steps:
[( 273 - 487 ) ÷ 487] x 100 = -43.94%
Formula
Percentage change = [(273 - 487) / 487] x 100
Subtract the new number by the original number
273 - 487 = -214
-214 ÷ 487 = -0.4394250513347023
-0.4394250513347023 x 100 = -43.94%