1171.43% is the change from 42 to 534
Calculation steps:
[( 534 - 42 ) ÷ 42] x 100 = 1171.43%
Formula
Percentage change = [(534 - 42) / 42] x 100
Subtract the new number by the original number
534 - 42 = 492
492 ÷ 42 = 11.714285714285714
11.714285714285714 x 100 = 1171.43%