-69.42% is the change from 677 to 207
Calculation steps:
[( 207 - 677 ) ÷ 677] x 100 = -69.42%
Formula
Percentage change = [(207 - 677) / 677] x 100
Subtract the new number by the original number
207 - 677 = -470
-470 ÷ 677 = -0.6942392909896603
-0.6942392909896603 x 100 = -69.42%