-90.57% is the change from 488 to 46
Calculation steps:
[( 46 - 488 ) ÷ 488] x 100 = -90.57%
Formula
Percentage change = [(46 - 488) / 488] x 100
Subtract the new number by the original number
46 - 488 = -442
-442 ÷ 488 = -0.9057377049180327
-0.9057377049180327 x 100 = -90.57%