-77.71% is the change from 987 to 220
Calculation steps:
[( 220 - 987 ) ÷ 987] x 100 = -77.71%
Formula
Percentage change = [(220 - 987) / 987] x 100
Subtract the new number by the original number
220 - 987 = -767
-767 ÷ 987 = -0.7771023302938197
-0.7771023302938197 x 100 = -77.71%