-47.87% is the change from 938 to 489
Calculation steps:
[( 489 - 938 ) ÷ 938] x 100 = -47.87%
Formula
Percentage change = [(489 - 938) / 938] x 100
Subtract the new number by the original number
489 - 938 = -449
-449 ÷ 938 = -0.47867803837953093
-0.47867803837953093 x 100 = -47.87%