-43.87% is the change from 506 to 284
Calculation steps:
[( 284 - 506 ) ÷ 506] x 100 = -43.87%
Formula
Percentage change = [(284 - 506) / 506] x 100
Subtract the new number by the original number
284 - 506 = -222
-222 ÷ 506 = -0.43873517786561267
-0.43873517786561267 x 100 = -43.87%