-29.54% is the change from 677 to 477
Calculation steps:
[( 477 - 677 ) ÷ 677] x 100 = -29.54%
Formula
Percentage change = [(477 - 677) / 677] x 100
Subtract the new number by the original number
477 - 677 = -200
-200 ÷ 677 = -0.29542097488921715
-0.29542097488921715 x 100 = -29.54%