-69.87% is the change from 677 to 204
Calculation steps:
[( 204 - 677 ) ÷ 677] x 100 = -69.87%
Formula
Percentage change = [(204 - 677) / 677] x 100
Subtract the new number by the original number
204 - 677 = -473
-473 ÷ 677 = -0.6986706056129985
-0.6986706056129985 x 100 = -69.87%