27.2% is the change from 511 to 650
Calculation steps:
[( 650 - 511 ) ÷ 511] x 100 = 27.2%
Formula
Percentage change = [(650 - 511) / 511] x 100
Subtract the new number by the original number
650 - 511 = 139
139 ÷ 511 = 0.2720156555772994
0.2720156555772994 x 100 = 27.2%