15.86% is the change from 725 to 840
Calculation steps:
[( 840 - 725 ) ÷ 725] x 100 = 15.86%
Formula
Percentage change = [(840 - 725) / 725] x 100
Subtract the new number by the original number
840 - 725 = 115
115 ÷ 725 = 0.15862068965517243
0.15862068965517243 x 100 = 15.86%