17.36% is the change from 455 to 534
Calculation steps:
[( 534 - 455 ) ÷ 455] x 100 = 17.36%
Formula
Percentage change = [(534 - 455) / 455] x 100
Subtract the new number by the original number
534 - 455 = 79
79 ÷ 455 = 0.17362637362637362
0.17362637362637362 x 100 = 17.36%