-64.86% is the change from 663 to 233
Calculation steps:
[( 233 - 663 ) ÷ 663] x 100 = -64.86%
Formula
Percentage change = [(233 - 663) / 663] x 100
Subtract the new number by the original number
233 - 663 = -430
-430 ÷ 663 = -0.6485671191553545
-0.6485671191553545 x 100 = -64.86%