79.8% is the change from 510 to 917
Calculation steps:
[( 917 - 510 ) ÷ 510] x 100 = 79.8%
Formula
Percentage change = [(917 - 510) / 510] x 100
Subtract the new number by the original number
917 - 510 = 407
407 ÷ 510 = 0.7980392156862746
0.7980392156862746 x 100 = 79.8%