-74.9% is the change from 486 to 122
Calculation steps:
[( 122 - 486 ) ÷ 486] x 100 = -74.9%
Formula
Percentage change = [(122 - 486) / 486] x 100
Subtract the new number by the original number
122 - 486 = -364
-364 ÷ 486 = -0.7489711934156379
-0.7489711934156379 x 100 = -74.9%