-6.95% is the change from 489 to 455
Calculation steps:
[( 455 - 489 ) ÷ 489] x 100 = -6.95%
Formula
Percentage change = [(455 - 489) / 489] x 100
Subtract the new number by the original number
455 - 489 = -34
-34 ÷ 489 = -0.06952965235173825
-0.06952965235173825 x 100 = -6.95%