-13.75% is the change from 669 to 577
Calculation steps:
[( 577 - 669 ) ÷ 669] x 100 = -13.75%
Formula
Percentage change = [(577 - 669) / 669] x 100
Subtract the new number by the original number
577 - 669 = -92
-92 ÷ 669 = -0.1375186846038864
-0.1375186846038864 x 100 = -13.75%