37.09% is the change from 399 to 547
Calculation steps:
[( 547 - 399 ) ÷ 399] x 100 = 37.09%
Formula
Percentage change = [(547 - 399) / 399] x 100
Subtract the new number by the original number
547 - 399 = 148
148 ÷ 399 = 0.37092731829573933
0.37092731829573933 x 100 = 37.09%