-69.57% is the change from 677 to 206
Calculation steps:
[( 206 - 677 ) ÷ 677] x 100 = -69.57%
Formula
Percentage change = [(206 - 677) / 677] x 100
Subtract the new number by the original number
206 - 677 = -471
-471 ÷ 677 = -0.6957163958641064
-0.6957163958641064 x 100 = -69.57%