-66.53% is the change from 490 to 164
Calculation steps:
[( 164 - 490 ) ÷ 490] x 100 = -66.53%
Formula
Percentage change = [(164 - 490) / 490] x 100
Subtract the new number by the original number
164 - 490 = -326
-326 ÷ 490 = -0.6653061224489796
-0.6653061224489796 x 100 = -66.53%