-14.09% is the change from 745 to 640
Calculation steps:
[( 640 - 745 ) ÷ 745] x 100 = -14.09%
Formula
Percentage change = [(640 - 745) / 745] x 100
Subtract the new number by the original number
640 - 745 = -105
-105 ÷ 745 = -0.14093959731543623
-0.14093959731543623 x 100 = -14.09%