30.79% is the change from 747 to 977
Calculation steps:
[( 977 - 747 ) ÷ 747] x 100 = 30.79%
Formula
Percentage change = [(977 - 747) / 747] x 100
Subtract the new number by the original number
977 - 747 = 230
230 ÷ 747 = 0.3078982597054886
0.3078982597054886 x 100 = 30.79%