78.87% is the change from 284 to 508
Calculation steps:
[( 508 - 284 ) ÷ 284] x 100 = 78.87%
Formula
Percentage change = [(508 - 284) / 284] x 100
Subtract the new number by the original number
508 - 284 = 224
224 ÷ 284 = 0.7887323943661971
0.7887323943661971 x 100 = 78.87%