-71.49% is the change from 677 to 193
Calculation steps:
[( 193 - 677 ) ÷ 677] x 100 = -71.49%
Formula
Percentage change = [(193 - 677) / 677] x 100
Subtract the new number by the original number
193 - 677 = -484
-484 ÷ 677 = -0.7149187592319055
-0.7149187592319055 x 100 = -71.49%