-24.7% is the change from 915 to 689
Calculation steps:
[( 689 - 915 ) ÷ 915] x 100 = -24.7%
Formula
Percentage change = [(689 - 915) / 915] x 100
Subtract the new number by the original number
689 - 915 = -226
-226 ÷ 915 = -0.24699453551912567
-0.24699453551912567 x 100 = -24.7%