40.26% is the change from 390 to 547
Calculation steps:
[( 547 - 390 ) ÷ 390] x 100 = 40.26%
Formula
Percentage change = [(547 - 390) / 390] x 100
Subtract the new number by the original number
547 - 390 = 157
157 ÷ 390 = 0.4025641025641026
0.4025641025641026 x 100 = 40.26%