837.5% is the change from 48 to 450
Calculation steps:
[( 450 - 48 ) ÷ 48] x 100 = 837.5%
Formula
Percentage change = [(450 - 48) / 48] x 100
Subtract the new number by the original number
450 - 48 = 402
402 ÷ 48 = 8.375
8.375 x 100 = 837.5%
Example