-78.52% is the change from 987 to 212
Calculation steps:
[( 212 - 987 ) ÷ 987] x 100 = -78.52%
Formula
Percentage change = [(212 - 987) / 987] x 100
Subtract the new number by the original number
212 - 987 = -775
-775 ÷ 987 = -0.7852077001013171
-0.7852077001013171 x 100 = -78.52%