-69.76% is the change from 764 to 231
Calculation steps:
[( 231 - 764 ) ÷ 764] x 100 = -69.76%
Formula
Percentage change = [(231 - 764) / 764] x 100
Subtract the new number by the original number
231 - 764 = -533
-533 ÷ 764 = -0.6976439790575916
-0.6976439790575916 x 100 = -69.76%