32.49% is the change from 634 to 840
Calculation steps:
[( 840 - 634 ) ÷ 634] x 100 = 32.49%
Formula
Percentage change = [(840 - 634) / 634] x 100
Subtract the new number by the original number
840 - 634 = 206
206 ÷ 634 = 0.3249211356466877
0.3249211356466877 x 100 = 32.49%