-78.22% is the change from 987 to 215
Calculation steps:
[( 215 - 987 ) ÷ 987] x 100 = -78.22%
Formula
Percentage change = [(215 - 987) / 987] x 100
Subtract the new number by the original number
215 - 987 = -772
-772 ÷ 987 = -0.7821681864235056
-0.7821681864235056 x 100 = -78.22%