66.15% is the change from 514 to 854
Calculation steps:
[( 854 - 514 ) ÷ 514] x 100 = 66.15%
Formula
Percentage change = [(854 - 514) / 514] x 100
Subtract the new number by the original number
854 - 514 = 340
340 ÷ 514 = 0.6614785992217899
0.6614785992217899 x 100 = 66.15%