-60.63% is the change from 668 to 263
Calculation steps:
[( 263 - 668 ) ÷ 668] x 100 = -60.63%
Formula
Percentage change = [(263 - 668) / 668] x 100
Subtract the new number by the original number
263 - 668 = -405
-405 ÷ 668 = -0.6062874251497006
-0.6062874251497006 x 100 = -60.63%