-55.07% is the change from 483 to 217
Calculation steps:
[( 217 - 483 ) ÷ 483] x 100 = -55.07%
Formula
Percentage change = [(217 - 483) / 483] x 100
Subtract the new number by the original number
217 - 483 = -266
-266 ÷ 483 = -0.5507246376811594
-0.5507246376811594 x 100 = -55.07%