16.11% is the change from 391 to 454
Calculation steps:
[( 454 - 391 ) ÷ 391] x 100 = 16.11%
Formula
Percentage change = [(454 - 391) / 391] x 100
Subtract the new number by the original number
454 - 391 = 63
63 ÷ 391 = 0.16112531969309463
0.16112531969309463 x 100 = 16.11%