-30.78% is the change from 783 to 542
Calculation steps:
[( 542 - 783 ) ÷ 783] x 100 = -30.78%
Formula
Percentage change = [(542 - 783) / 783] x 100
Subtract the new number by the original number
542 - 783 = -241
-241 ÷ 783 = -0.30779054916985954
-0.30779054916985954 x 100 = -30.78%