17.11% is the change from 456 to 534
Calculation steps:
[( 534 - 456 ) ÷ 456] x 100 = 17.11%
Formula
Percentage change = [(534 - 456) / 456] x 100
Subtract the new number by the original number
534 - 456 = 78
78 ÷ 456 = 0.17105263157894737
0.17105263157894737 x 100 = 17.11%