-92.39% is the change from 920 to 70
Calculation steps:
[( 70 - 920 ) ÷ 920] x 100 = -92.39%
Formula
Percentage change = [(70 - 920) / 920] x 100
Subtract the new number by the original number
70 - 920 = -850
-850 ÷ 920 = -0.9239130434782609
-0.9239130434782609 x 100 = -92.39%