-93.03% is the change from 488 to 34
Calculation steps:
[( 34 - 488 ) ÷ 488] x 100 = -93.03%
Formula
Percentage change = [(34 - 488) / 488] x 100
Subtract the new number by the original number
34 - 488 = -454
-454 ÷ 488 = -0.930327868852459
-0.930327868852459 x 100 = -93.03%