-63.83% is the change from 669 to 242
Calculation steps:
[( 242 - 669 ) ÷ 669] x 100 = -63.83%
Formula
Percentage change = [(242 - 669) / 669] x 100
Subtract the new number by the original number
242 - 669 = -427
-427 ÷ 669 = -0.6382660687593423
-0.6382660687593423 x 100 = -63.83%