0.24% is the change from 850 to 852
Calculation steps:
[( 852 - 850 ) ÷ 850] x 100 = 0.24%
Formula
Percentage change = [(852 - 850) / 850] x 100
Subtract the new number by the original number
852 - 850 = 2
2 ÷ 850 = 0.002352941176470588
0.002352941176470588 x 100 = 0.24%