-15.17% is the change from 758 to 643
Calculation steps:
[( 643 - 758 ) ÷ 758] x 100 = -15.17%
Formula
Percentage change = [(643 - 758) / 758] x 100
Subtract the new number by the original number
643 - 758 = -115
-115 ÷ 758 = -0.1517150395778364
-0.1517150395778364 x 100 = -15.17%