-45.27% is the change from 824 to 451
Calculation steps:
[( 451 - 824 ) ÷ 824] x 100 = -45.27%
Formula
Percentage change = [(451 - 824) / 824] x 100
Subtract the new number by the original number
451 - 824 = -373
-373 ÷ 824 = -0.4526699029126214
-0.4526699029126214 x 100 = -45.27%