52.95% is the change from 508 to 777
Calculation steps:
[( 777 - 508 ) ÷ 508] x 100 = 52.95%
Formula
Percentage change = [(777 - 508) / 508] x 100
Subtract the new number by the original number
777 - 508 = 269
269 ÷ 508 = 0.5295275590551181
0.5295275590551181 x 100 = 52.95%