9.77% is the change from 747 to 820
Calculation steps:
[( 820 - 747 ) ÷ 747] x 100 = 9.77%
Formula
Percentage change = [(820 - 747) / 747] x 100
Subtract the new number by the original number
820 - 747 = 73
73 ÷ 747 = 0.09772423025435073
0.09772423025435073 x 100 = 9.77%