-97.67% is the change from 987 to 23
Calculation steps:
[( 23 - 987 ) ÷ 987] x 100 = -97.67%
Formula
Percentage change = [(23 - 987) / 987] x 100
Subtract the new number by the original number
23 - 987 = -964
-964 ÷ 987 = -0.9766970618034447
-0.9766970618034447 x 100 = -97.67%