15.38% is the change from 455 to 525
Calculation steps:
[( 525 - 455 ) ÷ 455] x 100 = 15.38%
Formula
Percentage change = [(525 - 455) / 455] x 100
Subtract the new number by the original number
525 - 455 = 70
70 ÷ 455 = 0.15384615384615385
0.15384615384615385 x 100 = 15.38%