-40.33% is the change from 486 to 290
Calculation steps:
[( 290 - 486 ) ÷ 486] x 100 = -40.33%
Formula
Percentage change = [(290 - 486) / 486] x 100
Subtract the new number by the original number
290 - 486 = -196
-196 ÷ 486 = -0.40329218106995884
-0.40329218106995884 x 100 = -40.33%