-92.13% is the change from 890 to 70
Calculation steps:
[( 70 - 890 ) ÷ 890] x 100 = -92.13%
Formula
Percentage change = [(70 - 890) / 890] x 100
Subtract the new number by the original number
70 - 890 = -820
-820 ÷ 890 = -0.9213483146067416
-0.9213483146067416 x 100 = -92.13%