-65.84% is the change from 486 to 166
Calculation steps:
[( 166 - 486 ) ÷ 486] x 100 = -65.84%
Formula
Percentage change = [(166 - 486) / 486] x 100
Subtract the new number by the original number
166 - 486 = -320
-320 ÷ 486 = -0.6584362139917695
-0.6584362139917695 x 100 = -65.84%