-12.84% is the change from 662 to 577
Calculation steps:
[( 577 - 662 ) ÷ 662] x 100 = -12.84%
Formula
Percentage change = [(577 - 662) / 662] x 100
Subtract the new number by the original number
577 - 662 = -85
-85 ÷ 662 = -0.1283987915407855
-0.1283987915407855 x 100 = -12.84%