-6.86% is the change from 714 to 665
Calculation steps:
[( 665 - 714 ) ÷ 714] x 100 = -6.86%
Formula
Percentage change = [(665 - 714) / 714] x 100
Subtract the new number by the original number
665 - 714 = -49
-49 ÷ 714 = -0.06862745098039216
-0.06862745098039216 x 100 = -6.86%