-51.55% is the change from 485 to 235
Calculation steps:
[( 235 - 485 ) ÷ 485] x 100 = -51.55%
Formula
Percentage change = [(235 - 485) / 485] x 100
Subtract the new number by the original number
235 - 485 = -250
-250 ÷ 485 = -0.5154639175257731
-0.5154639175257731 x 100 = -51.55%