70.47% is the change from 508 to 866
Calculation steps:
[( 866 - 508 ) ÷ 508] x 100 = 70.47%
Formula
Percentage change = [(866 - 508) / 508] x 100
Subtract the new number by the original number
866 - 508 = 358
358 ÷ 508 = 0.7047244094488189
0.7047244094488189 x 100 = 70.47%