30.4% is the change from 546 to 712
Calculation steps:
[( 712 - 546 ) ÷ 546] x 100 = 30.4%
Formula
Percentage change = [(712 - 546) / 546] x 100
Subtract the new number by the original number
712 - 546 = 166
166 ÷ 546 = 0.304029304029304
0.304029304029304 x 100 = 30.4%