-85.56% is the change from 900 to 130
Calculation steps:
[( 130 - 900 ) ÷ 900] x 100 = -85.56%
Formula
Percentage change = [(130 - 900) / 900] x 100
Subtract the new number by the original number
130 - 900 = -770
-770 ÷ 900 = -0.8555555555555555
-0.8555555555555555 x 100 = -85.56%