21.83% is the change from 678 to 826
Calculation steps:
[( 826 - 678 ) ÷ 678] x 100 = 21.83%
Formula
Percentage change = [(826 - 678) / 678] x 100
Subtract the new number by the original number
826 - 678 = 148
148 ÷ 678 = 0.2182890855457227
0.2182890855457227 x 100 = 21.83%