21.88% is the change from 768 to 936
Calculation steps:
[( 936 - 768 ) ÷ 768] x 100 = 21.88%
Formula
Percentage change = [(936 - 768) / 768] x 100
Subtract the new number by the original number
936 - 768 = 168
168 ÷ 768 = 0.21875
0.21875 x 100 = 21.88%