34.39% is the change from 663 to 891
Calculation steps:
[( 891 - 663 ) ÷ 663] x 100 = 34.39%
Formula
Percentage change = [(891 - 663) / 663] x 100
Subtract the new number by the original number
891 - 663 = 228
228 ÷ 663 = 0.3438914027149321
0.3438914027149321 x 100 = 34.39%