-67.59% is the change from 688 to 223
Calculation steps:
[( 223 - 688 ) ÷ 688] x 100 = -67.59%
Formula
Percentage change = [(223 - 688) / 688] x 100
Subtract the new number by the original number
223 - 688 = -465
-465 ÷ 688 = -0.6758720930232558
-0.6758720930232558 x 100 = -67.59%