-75.1% is the change from 486 to 121
Calculation steps:
[( 121 - 486 ) ÷ 486] x 100 = -75.1%
Formula
Percentage change = [(121 - 486) / 486] x 100
Subtract the new number by the original number
121 - 486 = -365
-365 ÷ 486 = -0.7510288065843621
-0.7510288065843621 x 100 = -75.1%