-69.96% is the change from 486 to 146
Calculation steps:
[( 146 - 486 ) ÷ 486] x 100 = -69.96%
Formula
Percentage change = [(146 - 486) / 486] x 100
Subtract the new number by the original number
146 - 486 = -340
-340 ÷ 486 = -0.6995884773662552
-0.6995884773662552 x 100 = -69.96%