-51.15% is the change from 479 to 234
Calculation steps:
[( 234 - 479 ) ÷ 479] x 100 = -51.15%
Formula
Percentage change = [(234 - 479) / 479] x 100
Subtract the new number by the original number
234 - 479 = -245
-245 ÷ 479 = -0.511482254697286
-0.511482254697286 x 100 = -51.15%