-3.99% is the change from 802 to 770
Calculation steps:
[( 770 - 802 ) ÷ 802] x 100 = -3.99%
Formula
Percentage change = [(770 - 802) / 802] x 100
Subtract the new number by the original number
770 - 802 = -32
-32 ÷ 802 = -0.0399002493765586
-0.0399002493765586 x 100 = -3.99%