-47.79% is the change from 475 to 248
Calculation steps:
[( 248 - 475 ) ÷ 475] x 100 = -47.79%
Formula
Percentage change = [(248 - 475) / 475] x 100
Subtract the new number by the original number
248 - 475 = -227
-227 ÷ 475 = -0.47789473684210526
-0.47789473684210526 x 100 = -47.79%