980.95% is the change from 42 to 454
Calculation steps:
[( 454 - 42 ) ÷ 42] x 100 = 980.95%
Formula
Percentage change = [(454 - 42) / 42] x 100
Subtract the new number by the original number
454 - 42 = 412
412 ÷ 42 = 9.80952380952381
9.80952380952381 x 100 = 980.95%