4.05% is the change from 939 to 977
Calculation steps:
[( 977 - 939 ) ÷ 939] x 100 = 4.05%
Formula
Percentage change = [(977 - 939) / 939] x 100
Subtract the new number by the original number
977 - 939 = 38
38 ÷ 939 = 0.04046858359957402
0.04046858359957402 x 100 = 4.05%