911.9% is the change from 42 to 425
Calculation steps:
[( 425 - 42 ) ÷ 42] x 100 = 911.9%
Formula
Percentage change = [(425 - 42) / 42] x 100
Subtract the new number by the original number
425 - 42 = 383
383 ÷ 42 = 9.119047619047619
9.119047619047619 x 100 = 911.9%