985.71% is the change from 42 to 456
Calculation steps:
[( 456 - 42 ) ÷ 42] x 100 = 985.71%
Formula
Percentage change = [(456 - 42) / 42] x 100
Subtract the new number by the original number
456 - 42 = 414
414 ÷ 42 = 9.857142857142858
9.857142857142858 x 100 = 985.71%