-90.01% is the change from 701 to 70
Calculation steps:
[( 70 - 701 ) ÷ 701] x 100 = -90.01%
Formula
Percentage change = [(70 - 701) / 701] x 100
Subtract the new number by the original number
70 - 701 = -631
-631 ÷ 701 = -0.9001426533523538
-0.9001426533523538 x 100 = -90.01%