8.1% is the change from 494 to 534
Calculation steps:
[( 534 - 494 ) ÷ 494] x 100 = 8.1%
Formula
Percentage change = [(534 - 494) / 494] x 100
Subtract the new number by the original number
534 - 494 = 40
40 ÷ 494 = 0.08097165991902834
0.08097165991902834 x 100 = 8.1%