-61.18% is the change from 680 to 264
Calculation steps:
[( 264 - 680 ) ÷ 680] x 100 = -61.18%
Formula
Percentage change = [(264 - 680) / 680] x 100
Subtract the new number by the original number
264 - 680 = -416
-416 ÷ 680 = -0.611764705882353
-0.611764705882353 x 100 = -61.18%