450% is the change from 150 to 825
Calculation steps:
[( 825 - 150 ) ÷ 150] x 100 = 450%
Formula
Percentage change = [(825 - 150) / 150] x 100
Subtract the new number by the original number
825 - 150 = 675
675 ÷ 150 = 4.5
4.5 x 100 = 450%
Example