-3.76% is the change from 691 to 665
Calculation steps:
[( 665 - 691 ) ÷ 691] x 100 = -3.76%
Formula
Percentage change = [(665 - 691) / 691] x 100
Subtract the new number by the original number
665 - 691 = -26
-26 ÷ 691 = -0.03762662807525326
-0.03762662807525326 x 100 = -3.76%