-44.35% is the change from 487 to 271
Calculation steps:
[( 271 - 487 ) ÷ 487] x 100 = -44.35%
Formula
Percentage change = [(271 - 487) / 487] x 100
Subtract the new number by the original number
271 - 487 = -216
-216 ÷ 487 = -0.44353182751540043
-0.44353182751540043 x 100 = -44.35%