-52.02% is the change from 940 to 451
Calculation steps:
[( 451 - 940 ) ÷ 940] x 100 = -52.02%
Formula
Percentage change = [(451 - 940) / 940] x 100
Subtract the new number by the original number
451 - 940 = -489
-489 ÷ 940 = -0.5202127659574468
-0.5202127659574468 x 100 = -52.02%