37.78% is the change from 397 to 547
Calculation steps:
[( 547 - 397 ) ÷ 397] x 100 = 37.78%
Formula
Percentage change = [(547 - 397) / 397] x 100
Subtract the new number by the original number
547 - 397 = 150
150 ÷ 397 = 0.3778337531486146
0.3778337531486146 x 100 = 37.78%