-41.65% is the change from 485 to 283
Calculation steps:
[( 283 - 485 ) ÷ 485] x 100 = -41.65%
Formula
Percentage change = [(283 - 485) / 485] x 100
Subtract the new number by the original number
283 - 485 = -202
-202 ÷ 485 = -0.41649484536082476
-0.41649484536082476 x 100 = -41.65%