-55.58% is the change from 484 to 215
Calculation steps:
[( 215 - 484 ) ÷ 484] x 100 = -55.58%
Formula
Percentage change = [(215 - 484) / 484] x 100
Subtract the new number by the original number
215 - 484 = -269
-269 ÷ 484 = -0.5557851239669421
-0.5557851239669421 x 100 = -55.58%