-90.48% is the change from 945 to 90
Calculation steps:
[( 90 - 945 ) ÷ 945] x 100 = -90.48%
Formula
Percentage change = [(90 - 945) / 945] x 100
Subtract the new number by the original number
90 - 945 = -855
-855 ÷ 945 = -0.9047619047619048
-0.9047619047619048 x 100 = -90.48%