-68.9% is the change from 688 to 214
Calculation steps:
[( 214 - 688 ) ÷ 688] x 100 = -68.9%
Formula
Percentage change = [(214 - 688) / 688] x 100
Subtract the new number by the original number
214 - 688 = -474
-474 ÷ 688 = -0.688953488372093
-0.688953488372093 x 100 = -68.9%