27.01% is the change from 511 to 649
Calculation steps:
[( 649 - 511 ) ÷ 511] x 100 = 27.01%
Formula
Percentage change = [(649 - 511) / 511] x 100
Subtract the new number by the original number
649 - 511 = 138
138 ÷ 511 = 0.2700587084148728
0.2700587084148728 x 100 = 27.01%