-13.56% is the change from 745 to 644
Calculation steps:
[( 644 - 745 ) ÷ 745] x 100 = -13.56%
Formula
Percentage change = [(644 - 745) / 745] x 100
Subtract the new number by the original number
644 - 745 = -101
-101 ÷ 745 = -0.13557046979865772
-0.13557046979865772 x 100 = -13.56%