22.51% is the change from 684 to 838
Calculation steps:
[( 838 - 684 ) ÷ 684] x 100 = 22.51%
Formula
Percentage change = [(838 - 684) / 684] x 100
Subtract the new number by the original number
838 - 684 = 154
154 ÷ 684 = 0.22514619883040934
0.22514619883040934 x 100 = 22.51%