-62.92% is the change from 623 to 231
Calculation steps:
[( 231 - 623 ) ÷ 623] x 100 = -62.92%
Formula
Percentage change = [(231 - 623) / 623] x 100
Subtract the new number by the original number
231 - 623 = -392
-392 ÷ 623 = -0.6292134831460674
-0.6292134831460674 x 100 = -62.92%