-23.02% is the change from 669 to 515
Calculation steps:
[( 515 - 669 ) ÷ 669] x 100 = -23.02%
Formula
Percentage change = [(515 - 669) / 669] x 100
Subtract the new number by the original number
515 - 669 = -154
-154 ÷ 669 = -0.23019431988041852
-0.23019431988041852 x 100 = -23.02%