-47.53% is the change from 669 to 351
Calculation steps:
[( 351 - 669 ) ÷ 669] x 100 = -47.53%
Formula
Percentage change = [(351 - 669) / 669] x 100
Subtract the new number by the original number
351 - 669 = -318
-318 ÷ 669 = -0.47533632286995514
-0.47533632286995514 x 100 = -47.53%