-3.5% is the change from 715 to 690
Calculation steps:
[( 690 - 715 ) ÷ 715] x 100 = -3.5%
Formula
Percentage change = [(690 - 715) / 715] x 100
Subtract the new number by the original number
690 - 715 = -25
-25 ÷ 715 = -0.03496503496503497
-0.03496503496503497 x 100 = -3.5%