49.45% is the change from 546 to 816
Calculation steps:
[( 816 - 546 ) ÷ 546] x 100 = 49.45%
Formula
Percentage change = [(816 - 546) / 546] x 100
Subtract the new number by the original number
816 - 546 = 270
270 ÷ 546 = 0.4945054945054945
0.4945054945054945 x 100 = 49.45%