-30.29% is the change from 680 to 474
Calculation steps:
[( 474 - 680 ) ÷ 680] x 100 = -30.29%
Formula
Percentage change = [(474 - 680) / 680] x 100
Subtract the new number by the original number
474 - 680 = -206
-206 ÷ 680 = -0.3029411764705882
-0.3029411764705882 x 100 = -30.29%