-76.31% is the change from 688 to 163
Calculation steps:
[( 163 - 688 ) ÷ 688] x 100 = -76.31%
Formula
Percentage change = [(163 - 688) / 688] x 100
Subtract the new number by the original number
163 - 688 = -525
-525 ÷ 688 = -0.7630813953488372
-0.7630813953488372 x 100 = -76.31%