-89.47% is the change from 456 to 48
Calculation steps:
[( 48 - 456 ) ÷ 456] x 100 = -89.47%
Formula
Percentage change = [(48 - 456) / 456] x 100
Subtract the new number by the original number
48 - 456 = -408
-408 ÷ 456 = -0.8947368421052632
-0.8947368421052632 x 100 = -89.47%