-83.15% is the change from 890 to 150
Calculation steps:
[( 150 - 890 ) ÷ 890] x 100 = -83.15%
Formula
Percentage change = [(150 - 890) / 890] x 100
Subtract the new number by the original number
150 - 890 = -740
-740 ÷ 890 = -0.8314606741573034
-0.8314606741573034 x 100 = -83.15%