7.78% is the change from 784 to 845
Calculation steps:
[( 845 - 784 ) ÷ 784] x 100 = 7.78%
Formula
Percentage change = [(845 - 784) / 784] x 100
Subtract the new number by the original number
845 - 784 = 61
61 ÷ 784 = 0.0778061224489796
0.0778061224489796 x 100 = 7.78%