551.28% is the change from 78 to 508
Calculation steps:
[( 508 - 78 ) ÷ 78] x 100 = 551.28%
Formula
Percentage change = [(508 - 78) / 78] x 100
Subtract the new number by the original number
508 - 78 = 430
430 ÷ 78 = 5.512820512820513
5.512820512820513 x 100 = 551.28%