-74.62% is the change from 662 to 168
Calculation steps:
[( 168 - 662 ) ÷ 662] x 100 = -74.62%
Formula
Percentage change = [(168 - 662) / 662] x 100
Subtract the new number by the original number
168 - 662 = -494
-494 ÷ 662 = -0.7462235649546828
-0.7462235649546828 x 100 = -74.62%