-70.83% is the change from 665 to 194
Calculation steps:
[( 194 - 665 ) ÷ 665] x 100 = -70.83%
Formula
Percentage change = [(194 - 665) / 665] x 100
Subtract the new number by the original number
194 - 665 = -471
-471 ÷ 665 = -0.7082706766917293
-0.7082706766917293 x 100 = -70.83%