-15.04% is the change from 811 to 689
Calculation steps:
[( 689 - 811 ) ÷ 811] x 100 = -15.04%
Formula
Percentage change = [(689 - 811) / 811] x 100
Subtract the new number by the original number
689 - 811 = -122
-122 ÷ 811 = -0.1504315659679408
-0.1504315659679408 x 100 = -15.04%