78.36% is the change from 305 to 544
Calculation steps:
[( 544 - 305 ) ÷ 305] x 100 = 78.36%
Formula
Percentage change = [(544 - 305) / 305] x 100
Subtract the new number by the original number
544 - 305 = 239
239 ÷ 305 = 0.7836065573770492
0.7836065573770492 x 100 = 78.36%