50.73% is the change from 546 to 823
Calculation steps:
[( 823 - 546 ) ÷ 546] x 100 = 50.73%
Formula
Percentage change = [(823 - 546) / 546] x 100
Subtract the new number by the original number
823 - 546 = 277
277 ÷ 546 = 0.5073260073260073
0.5073260073260073 x 100 = 50.73%