-42.51% is the change from 494 to 284
Calculation steps:
[( 284 - 494 ) ÷ 494] x 100 = -42.51%
Formula
Percentage change = [(284 - 494) / 494] x 100
Subtract the new number by the original number
284 - 494 = -210
-210 ÷ 494 = -0.4251012145748988
-0.4251012145748988 x 100 = -42.51%