-71.47% is the change from 680 to 194
Calculation steps:
[( 194 - 680 ) ÷ 680] x 100 = -71.47%
Formula
Percentage change = [(194 - 680) / 680] x 100
Subtract the new number by the original number
194 - 680 = -486
-486 ÷ 680 = -0.7147058823529412
-0.7147058823529412 x 100 = -71.47%