-75.58% is the change from 688 to 168
Calculation steps:
[( 168 - 688 ) ÷ 688] x 100 = -75.58%
Formula
Percentage change = [(168 - 688) / 688] x 100
Subtract the new number by the original number
168 - 688 = -520
-520 ÷ 688 = -0.7558139534883721
-0.7558139534883721 x 100 = -75.58%