-3.87% is the change from 802 to 771
Calculation steps:
[( 771 - 802 ) ÷ 802] x 100 = -3.87%
Formula
Percentage change = [(771 - 802) / 802] x 100
Subtract the new number by the original number
771 - 802 = -31
-31 ÷ 802 = -0.03865336658354115
-0.03865336658354115 x 100 = -3.87%