-54.78% is the change from 628 to 284
Calculation steps:
[( 284 - 628 ) ÷ 628] x 100 = -54.78%
Formula
Percentage change = [(284 - 628) / 628] x 100
Subtract the new number by the original number
284 - 628 = -344
-344 ÷ 628 = -0.5477707006369427
-0.5477707006369427 x 100 = -54.78%