-46.8% is the change from 688 to 366
Calculation steps:
[( 366 - 688 ) ÷ 688] x 100 = -46.8%
Formula
Percentage change = [(366 - 688) / 688] x 100
Subtract the new number by the original number
366 - 688 = -322
-322 ÷ 688 = -0.4680232558139535
-0.4680232558139535 x 100 = -46.8%