-45.4% is the change from 826 to 451
Calculation steps:
[( 451 - 826 ) ÷ 826] x 100 = -45.4%
Formula
Percentage change = [(451 - 826) / 826] x 100
Subtract the new number by the original number
451 - 826 = -375
-375 ÷ 826 = -0.4539951573849879
-0.4539951573849879 x 100 = -45.4%