3.28% is the change from 946 to 977
Calculation steps:
[( 977 - 946 ) ÷ 946] x 100 = 3.28%
Formula
Percentage change = [(977 - 946) / 946] x 100
Subtract the new number by the original number
977 - 946 = 31
31 ÷ 946 = 0.03276955602536998
0.03276955602536998 x 100 = 3.28%