-27.47% is the change from 950 to 689
Calculation steps:
[( 689 - 950 ) ÷ 950] x 100 = -27.47%
Formula
Percentage change = [(689 - 950) / 950] x 100
Subtract the new number by the original number
689 - 950 = -261
-261 ÷ 950 = -0.27473684210526317
-0.27473684210526317 x 100 = -27.47%