-11% is the change from 773 to 688
Calculation steps:
[( 688 - 773 ) ÷ 773] x 100 = -11%
Formula
Percentage change = [(688 - 773) / 773] x 100
Subtract the new number by the original number
688 - 773 = -85
-85 ÷ 773 = -0.10996119016817593
-0.10996119016817593 x 100 = -11%