-2.47% is the change from 768 to 749
Calculation steps:
[( 749 - 768 ) ÷ 768] x 100 = -2.47%
Formula
Percentage change = [(749 - 768) / 768] x 100
Subtract the new number by the original number
749 - 768 = -19
-19 ÷ 768 = -0.024739583333333332
-0.024739583333333332 x 100 = -2.47%