6% is the change from 850 to 901
Calculation steps:
[( 901 - 850 ) ÷ 850] x 100 = 6%
Formula
Percentage change = [(901 - 850) / 850] x 100
Subtract the new number by the original number
901 - 850 = 51
51 ÷ 850 = 0.06
0.06 x 100 = 6%
Example