3.95% is the change from 784 to 815
Calculation steps:
[( 815 - 784 ) ÷ 784] x 100 = 3.95%
Formula
Percentage change = [(815 - 784) / 784] x 100
Subtract the new number by the original number
815 - 784 = 31
31 ÷ 784 = 0.039540816326530615
0.039540816326530615 x 100 = 3.95%