-42.54% is the change from 938 to 539
Calculation steps:
[( 539 - 938 ) ÷ 938] x 100 = -42.54%
Formula
Percentage change = [(539 - 938) / 938] x 100
Subtract the new number by the original number
539 - 938 = -399
-399 ÷ 938 = -0.4253731343283582
-0.4253731343283582 x 100 = -42.54%