91% is the change from 511 to 976
Calculation steps:
[( 976 - 511 ) ÷ 511] x 100 = 91%
Formula
Percentage change = [(976 - 511) / 511] x 100
Subtract the new number by the original number
976 - 511 = 465
465 ÷ 511 = 0.9099804305283757
0.9099804305283757 x 100 = 91%