15.35% is the change from 847 to 977
Calculation steps:
[( 977 - 847 ) ÷ 847] x 100 = 15.35%
Formula
Percentage change = [(977 - 847) / 847] x 100
Subtract the new number by the original number
977 - 847 = 130
130 ÷ 847 = 0.15348288075560804
0.15348288075560804 x 100 = 15.35%