-59.85% is the change from 680 to 273
Calculation steps:
[( 273 - 680 ) ÷ 680] x 100 = -59.85%
Formula
Percentage change = [(273 - 680) / 680] x 100
Subtract the new number by the original number
273 - 680 = -407
-407 ÷ 680 = -0.5985294117647059
-0.5985294117647059 x 100 = -59.85%