-66.91% is the change from 680 to 225
Calculation steps:
[( 225 - 680 ) ÷ 680] x 100 = -66.91%
Formula
Percentage change = [(225 - 680) / 680] x 100
Subtract the new number by the original number
225 - 680 = -455
-455 ÷ 680 = -0.6691176470588235
-0.6691176470588235 x 100 = -66.91%