-32.59% is the change from 669 to 451
Calculation steps:
[( 451 - 669 ) ÷ 669] x 100 = -32.59%
Formula
Percentage change = [(451 - 669) / 669] x 100
Subtract the new number by the original number
451 - 669 = -218
-218 ÷ 669 = -0.32585949177877427
-0.32585949177877427 x 100 = -32.59%