-67.14% is the change from 490 to 161
Calculation steps:
[( 161 - 490 ) ÷ 490] x 100 = -67.14%
Formula
Percentage change = [(161 - 490) / 490] x 100
Subtract the new number by the original number
161 - 490 = -329
-329 ÷ 490 = -0.6714285714285714
-0.6714285714285714 x 100 = -67.14%