-70.44% is the change from 680 to 201
Calculation steps:
[( 201 - 680 ) ÷ 680] x 100 = -70.44%
Formula
Percentage change = [(201 - 680) / 680] x 100
Subtract the new number by the original number
201 - 680 = -479
-479 ÷ 680 = -0.7044117647058824
-0.7044117647058824 x 100 = -70.44%