-31.6% is the change from 788 to 539
Calculation steps:
[( 539 - 788 ) ÷ 788] x 100 = -31.6%
Formula
Percentage change = [(539 - 788) / 788] x 100
Subtract the new number by the original number
539 - 788 = -249
-249 ÷ 788 = -0.315989847715736
-0.315989847715736 x 100 = -31.6%