79.53% is the change from 508 to 912
Calculation steps:
[( 912 - 508 ) ÷ 508] x 100 = 79.53%
Formula
Percentage change = [(912 - 508) / 508] x 100
Subtract the new number by the original number
912 - 508 = 404
404 ÷ 508 = 0.7952755905511811
0.7952755905511811 x 100 = 79.53%