-38.38% is the change from 938 to 578
Calculation steps:
[( 578 - 938 ) ÷ 938] x 100 = -38.38%
Formula
Percentage change = [(578 - 938) / 938] x 100
Subtract the new number by the original number
578 - 938 = -360
-360 ÷ 938 = -0.3837953091684435
-0.3837953091684435 x 100 = -38.38%