-39.92% is the change from 987 to 593
Calculation steps:
[( 593 - 987 ) ÷ 987] x 100 = -39.92%
Formula
Percentage change = [(593 - 987) / 987] x 100
Subtract the new number by the original number
593 - 987 = -394
-394 ÷ 987 = -0.39918946301925023
-0.39918946301925023 x 100 = -39.92%