-40.85% is the change from 284 to 168
Calculation steps:
[( 168 - 284 ) ÷ 284] x 100 = -40.85%
Formula
Percentage change = [(168 - 284) / 284] x 100
Subtract the new number by the original number
168 - 284 = -116
-116 ÷ 284 = -0.4084507042253521
-0.4084507042253521 x 100 = -40.85%