67.91% is the change from 508 to 853
Calculation steps:
[( 853 - 508 ) ÷ 508] x 100 = 67.91%
Formula
Percentage change = [(853 - 508) / 508] x 100
Subtract the new number by the original number
853 - 508 = 345
345 ÷ 508 = 0.6791338582677166
0.6791338582677166 x 100 = 67.91%