-14.85% is the change from 808 to 688
Calculation steps:
[( 688 - 808 ) ÷ 808] x 100 = -14.85%
Formula
Percentage change = [(688 - 808) / 808] x 100
Subtract the new number by the original number
688 - 808 = -120
-120 ÷ 808 = -0.1485148514851485
-0.1485148514851485 x 100 = -14.85%