54.41% is the change from 544 to 840
Calculation steps:
[( 840 - 544 ) ÷ 544] x 100 = 54.41%
Formula
Percentage change = [(840 - 544) / 544] x 100
Subtract the new number by the original number
840 - 544 = 296
296 ÷ 544 = 0.5441176470588235
0.5441176470588235 x 100 = 54.41%