-51.4% is the change from 928 to 451
Calculation steps:
[( 451 - 928 ) ÷ 928] x 100 = -51.4%
Formula
Percentage change = [(451 - 928) / 928] x 100
Subtract the new number by the original number
451 - 928 = -477
-477 ÷ 928 = -0.5140086206896551
-0.5140086206896551 x 100 = -51.4%