-67.78% is the change from 987 to 318
Calculation steps:
[( 318 - 987 ) ÷ 987] x 100 = -67.78%
Formula
Percentage change = [(318 - 987) / 987] x 100
Subtract the new number by the original number
318 - 987 = -669
-669 ÷ 987 = -0.6778115501519757
-0.6778115501519757 x 100 = -67.78%