-47.94% is the change from 680 to 354
Calculation steps:
[( 354 - 680 ) ÷ 680] x 100 = -47.94%
Formula
Percentage change = [(354 - 680) / 680] x 100
Subtract the new number by the original number
354 - 680 = -326
-326 ÷ 680 = -0.47941176470588237
-0.47941176470588237 x 100 = -47.94%