41.6% is the change from 601 to 851
Calculation steps:
[( 851 - 601 ) ÷ 601] x 100 = 41.6%
Formula
Percentage change = [(851 - 601) / 601] x 100
Subtract the new number by the original number
851 - 601 = 250
250 ÷ 601 = 0.415973377703827
0.415973377703827 x 100 = 41.6%