-41.44% is the change from 485 to 284
Calculation steps:
[( 284 - 485 ) ÷ 485] x 100 = -41.44%
Formula
Percentage change = [(284 - 485) / 485] x 100
Subtract the new number by the original number
284 - 485 = -201
-201 ÷ 485 = -0.4144329896907217
-0.4144329896907217 x 100 = -41.44%