-77.99% is the change from 986 to 217
Calculation steps:
[( 217 - 986 ) ÷ 986] x 100 = -77.99%
Formula
Percentage change = [(217 - 986) / 986] x 100
Subtract the new number by the original number
217 - 986 = -769
-769 ÷ 986 = -0.7799188640973631
-0.7799188640973631 x 100 = -77.99%