-11.07% is the change from 488 to 434
Calculation steps:
[( 434 - 488 ) ÷ 488] x 100 = -11.07%
Formula
Percentage change = [(434 - 488) / 488] x 100
Subtract the new number by the original number
434 - 488 = -54
-54 ÷ 488 = -0.11065573770491803
-0.11065573770491803 x 100 = -11.07%