983.33% is the change from 42 to 455
Calculation steps:
[( 455 - 42 ) ÷ 42] x 100 = 983.33%
Formula
Percentage change = [(455 - 42) / 42] x 100
Subtract the new number by the original number
455 - 42 = 413
413 ÷ 42 = 9.833333333333334
9.833333333333334 x 100 = 983.33%