3.15% is the change from 920 to 949
Calculation steps:
[( 949 - 920 ) ÷ 920] x 100 = 3.15%
Formula
Percentage change = [(949 - 920) / 920] x 100
Subtract the new number by the original number
949 - 920 = 29
29 ÷ 920 = 0.03152173913043478
0.03152173913043478 x 100 = 3.15%