-14.83% is the change from 755 to 643
Calculation steps:
[( 643 - 755 ) ÷ 755] x 100 = -14.83%
Formula
Percentage change = [(643 - 755) / 755] x 100
Subtract the new number by the original number
643 - 755 = -112
-112 ÷ 755 = -0.14834437086092717
-0.14834437086092717 x 100 = -14.83%