21.83% is the change from 687 to 837
Calculation steps:
[( 837 - 687 ) ÷ 687] x 100 = 21.83%
Formula
Percentage change = [(837 - 687) / 687] x 100
Subtract the new number by the original number
837 - 687 = 150
150 ÷ 687 = 0.2183406113537118
0.2183406113537118 x 100 = 21.83%