19.21% is the change from 687 to 819
Calculation steps:
[( 819 - 687 ) ÷ 687] x 100 = 19.21%
Formula
Percentage change = [(819 - 687) / 687] x 100
Subtract the new number by the original number
819 - 687 = 132
132 ÷ 687 = 0.19213973799126638
0.19213973799126638 x 100 = 19.21%