2.47% is the change from 768 to 787
Calculation steps:
[( 787 - 768 ) ÷ 768] x 100 = 2.47%
Formula
Percentage change = [(787 - 768) / 768] x 100
Subtract the new number by the original number
787 - 768 = 19
19 ÷ 768 = 0.024739583333333332
0.024739583333333332 x 100 = 2.47%