2.55% is the change from 784 to 804
Calculation steps:
[( 804 - 784 ) ÷ 784] x 100 = 2.55%
Formula
Percentage change = [(804 - 784) / 784] x 100
Subtract the new number by the original number
804 - 784 = 20
20 ÷ 784 = 0.025510204081632654
0.025510204081632654 x 100 = 2.55%