37.5% is the change from 600 to 825
Calculation steps:
[( 825 - 600 ) ÷ 600] x 100 = 37.5%
Formula
Percentage change = [(825 - 600) / 600] x 100
Subtract the new number by the original number
825 - 600 = 225
225 ÷ 600 = 0.375
0.375 x 100 = 37.5%
Example