78.82% is the change from 510 to 912
Calculation steps:
[( 912 - 510 ) ÷ 510] x 100 = 78.82%
Formula
Percentage change = [(912 - 510) / 510] x 100
Subtract the new number by the original number
912 - 510 = 402
402 ÷ 510 = 0.788235294117647
0.788235294117647 x 100 = 78.82%