-50.95% is the change from 893 to 438
Calculation steps:
[( 438 - 893 ) ÷ 893] x 100 = -50.95%
Formula
Percentage change = [(438 - 893) / 893] x 100
Subtract the new number by the original number
438 - 893 = -455
-455 ÷ 893 = -0.509518477043673
-0.509518477043673 x 100 = -50.95%