-54.37% is the change from 938 to 428
Calculation steps:
[( 428 - 938 ) ÷ 938] x 100 = -54.37%
Formula
Percentage change = [(428 - 938) / 938] x 100
Subtract the new number by the original number
428 - 938 = -510
-510 ÷ 938 = -0.5437100213219617
-0.5437100213219617 x 100 = -54.37%