1.55% is the change from 839 to 852
Calculation steps:
[( 852 - 839 ) ÷ 839] x 100 = 1.55%
Formula
Percentage change = [(852 - 839) / 839] x 100
Subtract the new number by the original number
852 - 839 = 13
13 ÷ 839 = 0.015494636471990465
0.015494636471990465 x 100 = 1.55%