106.25% is the change from 400 to 825
Calculation steps:
[( 825 - 400 ) ÷ 400] x 100 = 106.25%
Formula
Percentage change = [(825 - 400) / 400] x 100
Subtract the new number by the original number
825 - 400 = 425
425 ÷ 400 = 1.0625
1.0625 x 100 = 106.25%