21.15% is the change from 780 to 945
Calculation steps:
[( 945 - 780 ) ÷ 780] x 100 = 21.15%
Formula
Percentage change = [(945 - 780) / 780] x 100
Subtract the new number by the original number
945 - 780 = 165
165 ÷ 780 = 0.21153846153846154
0.21153846153846154 x 100 = 21.15%