94.12% is the change from 510 to 990
Calculation steps:
[( 990 - 510 ) ÷ 510] x 100 = 94.12%
Formula
Percentage change = [(990 - 510) / 510] x 100
Subtract the new number by the original number
990 - 510 = 480
480 ÷ 510 = 0.9411764705882353
0.9411764705882353 x 100 = 94.12%