-6.98% is the change from 902 to 839
Calculation steps:
[( 839 - 902 ) ÷ 902] x 100 = -6.98%
Formula
Percentage change = [(839 - 902) / 902] x 100
Subtract the new number by the original number
839 - 902 = -63
-63 ÷ 902 = -0.06984478935698447
-0.06984478935698447 x 100 = -6.98%