-55.62% is the change from 489 to 217
Calculation steps:
[( 217 - 489 ) ÷ 489] x 100 = -55.62%
Formula
Percentage change = [(217 - 489) / 489] x 100
Subtract the new number by the original number
217 - 489 = -272
-272 ÷ 489 = -0.556237218813906
-0.556237218813906 x 100 = -55.62%