19.71% is the change from 690 to 826
Calculation steps:
[( 826 - 690 ) ÷ 690] x 100 = 19.71%
Formula
Percentage change = [(826 - 690) / 690] x 100
Subtract the new number by the original number
826 - 690 = 136
136 ÷ 690 = 0.19710144927536233
0.19710144927536233 x 100 = 19.71%