-18.14% is the change from 783 to 641
Calculation steps:
[( 641 - 783 ) ÷ 783] x 100 = -18.14%
Formula
Percentage change = [(641 - 783) / 783] x 100
Subtract the new number by the original number
641 - 783 = -142
-142 ÷ 783 = -0.18135376756066413
-0.18135376756066413 x 100 = -18.14%