-32.79% is the change from 677 to 455
Calculation steps:
[( 455 - 677 ) ÷ 677] x 100 = -32.79%
Formula
Percentage change = [(455 - 677) / 677] x 100
Subtract the new number by the original number
455 - 677 = -222
-222 ÷ 677 = -0.32791728212703103
-0.32791728212703103 x 100 = -32.79%