-59.47% is the change from 987 to 400
Calculation steps:
[( 400 - 987 ) ÷ 987] x 100 = -59.47%
Formula
Percentage change = [(400 - 987) / 987] x 100
Subtract the new number by the original number
400 - 987 = -587
-587 ÷ 987 = -0.5947315096251267
-0.5947315096251267 x 100 = -59.47%