-87.09% is the change from 790 to 102
Calculation steps:
[( 102 - 790 ) ÷ 790] x 100 = -87.09%
Formula
Percentage change = [(102 - 790) / 790] x 100
Subtract the new number by the original number
102 - 790 = -688
-688 ÷ 790 = -0.8708860759493671
-0.8708860759493671 x 100 = -87.09%