18.86% is the change from 578 to 687
Calculation steps:
[( 687 - 578 ) ÷ 578] x 100 = 18.86%
Formula
Percentage change = [(687 - 578) / 578] x 100
Subtract the new number by the original number
687 - 578 = 109
109 ÷ 578 = 0.18858131487889274
0.18858131487889274 x 100 = 18.86%