-66.8% is the change from 494 to 164
Calculation steps:
[( 164 - 494 ) ÷ 494] x 100 = -66.8%
Formula
Percentage change = [(164 - 494) / 494] x 100
Subtract the new number by the original number
164 - 494 = -330
-330 ÷ 494 = -0.6680161943319838
-0.6680161943319838 x 100 = -66.8%