18.9% is the change from 709 to 843
Calculation steps:
[( 843 - 709 ) ÷ 709] x 100 = 18.9%
Formula
Percentage change = [(843 - 709) / 709] x 100
Subtract the new number by the original number
843 - 709 = 134
134 ÷ 709 = 0.18899858956276447
0.18899858956276447 x 100 = 18.9%