29.03% is the change from 651 to 840
Calculation steps:
[( 840 - 651 ) ÷ 651] x 100 = 29.03%
Formula
Percentage change = [(840 - 651) / 651] x 100
Subtract the new number by the original number
840 - 651 = 189
189 ÷ 651 = 0.2903225806451613
0.2903225806451613 x 100 = 29.03%