4.1% is the change from 634 to 660
Calculation steps:
[( 660 - 634 ) ÷ 634] x 100 = 4.1%
Formula
Percentage change = [(660 - 634) / 634] x 100
Subtract the new number by the original number
660 - 634 = 26
26 ÷ 634 = 0.04100946372239748
0.04100946372239748 x 100 = 4.1%