-13.77% is the change from 748 to 645
Calculation steps:
[( 645 - 748 ) ÷ 748] x 100 = -13.77%
Formula
Percentage change = [(645 - 748) / 748] x 100
Subtract the new number by the original number
645 - 748 = -103
-103 ÷ 748 = -0.13770053475935828
-0.13770053475935828 x 100 = -13.77%