-49.5% is the change from 893 to 451
Calculation steps:
[( 451 - 893 ) ÷ 893] x 100 = -49.5%
Formula
Percentage change = [(451 - 893) / 893] x 100
Subtract the new number by the original number
451 - 893 = -442
-442 ÷ 893 = -0.49496080627099664
-0.49496080627099664 x 100 = -49.5%