-90.9% is the change from 769 to 70
Calculation steps:
[( 70 - 769 ) ÷ 769] x 100 = -90.9%
Formula
Percentage change = [(70 - 769) / 769] x 100
Subtract the new number by the original number
70 - 769 = -699
-699 ÷ 769 = -0.9089726918075423
-0.9089726918075423 x 100 = -90.9%