34.4% is the change from 407 to 547
Calculation steps:
[( 547 - 407 ) ÷ 407] x 100 = 34.4%
Formula
Percentage change = [(547 - 407) / 407] x 100
Subtract the new number by the original number
547 - 407 = 140
140 ÷ 407 = 0.343980343980344
0.343980343980344 x 100 = 34.4%