-10.87% is the change from 745 to 664
Calculation steps:
[( 664 - 745 ) ÷ 745] x 100 = -10.87%
Formula
Percentage change = [(664 - 745) / 745] x 100
Subtract the new number by the original number
664 - 745 = -81
-81 ÷ 745 = -0.1087248322147651
-0.1087248322147651 x 100 = -10.87%