79.45% is the change from 511 to 917
Calculation steps:
[( 917 - 511 ) ÷ 511] x 100 = 79.45%
Formula
Percentage change = [(917 - 511) / 511] x 100
Subtract the new number by the original number
917 - 511 = 406
406 ÷ 511 = 0.7945205479452054
0.7945205479452054 x 100 = 79.45%