-97.97% is the change from 987 to 20
Calculation steps:
[( 20 - 987 ) ÷ 987] x 100 = -97.97%
Formula
Percentage change = [(20 - 987) / 987] x 100
Subtract the new number by the original number
20 - 987 = -967
-967 ÷ 987 = -0.9797365754812564
-0.9797365754812564 x 100 = -97.97%