-0.66% is the change from 453 to 450
Calculation steps:
[( 450 - 453 ) ÷ 453] x 100 = -0.66%
Formula
Percentage change = [(450 - 453) / 453] x 100
Subtract the new number by the original number
450 - 453 = -3
-3 ÷ 453 = -0.006622516556291391
-0.006622516556291391 x 100 = -0.66%