-90.55% is the change from 508 to 48
Calculation steps:
[( 48 - 508 ) ÷ 508] x 100 = -90.55%
Formula
Percentage change = [(48 - 508) / 508] x 100
Subtract the new number by the original number
48 - 508 = -460
-460 ÷ 508 = -0.905511811023622
-0.905511811023622 x 100 = -90.55%