30.74% is the change from 631 to 825
Calculation steps:
[( 825 - 631 ) ÷ 631] x 100 = 30.74%
Formula
Percentage change = [(825 - 631) / 631] x 100
Subtract the new number by the original number
825 - 631 = 194
194 ÷ 631 = 0.3074484944532488
0.3074484944532488 x 100 = 30.74%