12.4% is the change from 129 to 145
Calculation steps:
[( 145 - 129 ) ÷ 129] x 100 = 12.4%
Formula
Percentage change = [(145 - 129) / 129] x 100
Subtract the new number by the original number
145 - 129 = 16
16 ÷ 129 = 0.12403100775193798
0.12403100775193798 x 100 = 12.4%