-66.86% is the change from 697 to 231
Calculation steps:
[( 231 - 697 ) ÷ 697] x 100 = -66.86%
Formula
Percentage change = [(231 - 697) / 697] x 100
Subtract the new number by the original number
231 - 697 = -466
-466 ÷ 697 = -0.6685796269727403
-0.6685796269727403 x 100 = -66.86%