-51.28% is the change from 938 to 457
Calculation steps:
[( 457 - 938 ) ÷ 938] x 100 = -51.28%
Formula
Percentage change = [(457 - 938) / 938] x 100
Subtract the new number by the original number
457 - 938 = -481
-481 ÷ 938 = -0.5127931769722814
-0.5127931769722814 x 100 = -51.28%