-6.76% is the change from 488 to 455
Calculation steps:
[( 455 - 488 ) ÷ 488] x 100 = -6.76%
Formula
Percentage change = [(455 - 488) / 488] x 100
Subtract the new number by the original number
455 - 488 = -33
-33 ÷ 488 = -0.06762295081967214
-0.06762295081967214 x 100 = -6.76%