-48.7% is the change from 690 to 354
Calculation steps:
[( 354 - 690 ) ÷ 690] x 100 = -48.7%
Formula
Percentage change = [(354 - 690) / 690] x 100
Subtract the new number by the original number
354 - 690 = -336
-336 ÷ 690 = -0.48695652173913045
-0.48695652173913045 x 100 = -48.7%