-87.76% is the change from 392 to 48
Calculation steps:
[( 48 - 392 ) ÷ 392] x 100 = -87.76%
Formula
Percentage change = [(48 - 392) / 392] x 100
Subtract the new number by the original number
48 - 392 = -344
-344 ÷ 392 = -0.8775510204081632
-0.8775510204081632 x 100 = -87.76%