20.38% is the change from 687 to 827
Calculation steps:
[( 827 - 687 ) ÷ 687] x 100 = 20.38%
Formula
Percentage change = [(827 - 687) / 687] x 100
Subtract the new number by the original number
827 - 687 = 140
140 ÷ 687 = 0.20378457059679767
0.20378457059679767 x 100 = 20.38%