1200% is the change from 38 to 494
Calculation steps:
[( 494 - 38 ) ÷ 38] x 100 = 1200%
Formula
Percentage change = [(494 - 38) / 38] x 100
Subtract the new number by the original number
494 - 38 = 456
456 ÷ 38 = 12
12 x 100 = 1200%
Example