-37.21% is the change from 680 to 427
Calculation steps:
[( 427 - 680 ) ÷ 680] x 100 = -37.21%
Formula
Percentage change = [(427 - 680) / 680] x 100
Subtract the new number by the original number
427 - 680 = -253
-253 ÷ 680 = -0.3720588235294118
-0.3720588235294118 x 100 = -37.21%