21.16% is the change from 690 to 836
Calculation steps:
[( 836 - 690 ) ÷ 690] x 100 = 21.16%
Formula
Percentage change = [(836 - 690) / 690] x 100
Subtract the new number by the original number
836 - 690 = 146
146 ÷ 690 = 0.21159420289855072
0.21159420289855072 x 100 = 21.16%