-18.74% is the change from 939 to 763
Calculation steps:
[( 763 - 939 ) ÷ 939] x 100 = -18.74%
Formula
Percentage change = [(763 - 939) / 939] x 100
Subtract the new number by the original number
763 - 939 = -176
-176 ÷ 939 = -0.18743343982960597
-0.18743343982960597 x 100 = -18.74%