-20.34% is the change from 939 to 748
Calculation steps:
[( 748 - 939 ) ÷ 939] x 100 = -20.34%
Formula
Percentage change = [(748 - 939) / 939] x 100
Subtract the new number by the original number
748 - 939 = -191
-191 ÷ 939 = -0.20340788072417465
-0.20340788072417465 x 100 = -20.34%