-66.62% is the change from 680 to 227
Calculation steps:
[( 227 - 680 ) ÷ 680] x 100 = -66.62%
Formula
Percentage change = [(227 - 680) / 680] x 100
Subtract the new number by the original number
227 - 680 = -453
-453 ÷ 680 = -0.6661764705882353
-0.6661764705882353 x 100 = -66.62%