-83.38% is the change from 987 to 164
Calculation steps:
[( 164 - 987 ) ÷ 987] x 100 = -83.38%
Formula
Percentage change = [(164 - 987) / 987] x 100
Subtract the new number by the original number
164 - 987 = -823
-823 ÷ 987 = -0.8338399189463019
-0.8338399189463019 x 100 = -83.38%