-22.96% is the change from 662 to 510
Calculation steps:
[( 510 - 662 ) ÷ 662] x 100 = -22.96%
Formula
Percentage change = [(510 - 662) / 662] x 100
Subtract the new number by the original number
510 - 662 = -152
-152 ÷ 662 = -0.229607250755287
-0.229607250755287 x 100 = -22.96%