-94.5% is the change from 1000 to 55
Calculation steps:
[( 55 - 1000 ) ÷ 1000] x 100 = -94.5%
Formula
Percentage change = [(55 - 1000) / 1000] x 100
Subtract the new number by the original number
55 - 1000 = -945
-945 ÷ 1000 = -0.945
-0.945 x 100 = -94.5%