51.57% is the change from 543 to 823
Calculation steps:
[( 823 - 543 ) ÷ 543] x 100 = 51.57%
Formula
Percentage change = [(823 - 543) / 543] x 100
Subtract the new number by the original number
823 - 543 = 280
280 ÷ 543 = 0.5156537753222836
0.5156537753222836 x 100 = 51.57%