1.53% is the change from 850 to 863
Calculation steps:
[( 863 - 850 ) ÷ 850] x 100 = 1.53%
Formula
Percentage change = [(863 - 850) / 850] x 100
Subtract the new number by the original number
863 - 850 = 13
13 ÷ 850 = 0.015294117647058824
0.015294117647058824 x 100 = 1.53%