2.56% is the change from 117 to 120
Calculation steps:
[( 120 - 117 ) ÷ 117] x 100 = 2.56%
Formula
Percentage change = [(120 - 117) / 117] x 100
Subtract the new number by the original number
120 - 117 = 3
3 ÷ 117 = 0.02564102564102564
0.02564102564102564 x 100 = 2.56%