-58.14% is the change from 688 to 288
Calculation steps:
[( 288 - 688 ) ÷ 688] x 100 = -58.14%
Formula
Percentage change = [(288 - 688) / 688] x 100
Subtract the new number by the original number
288 - 688 = -400
-400 ÷ 688 = -0.5813953488372093
-0.5813953488372093 x 100 = -58.14%