-78.03% is the change from 997 to 219
Calculation steps:
[( 219 - 997 ) ÷ 997] x 100 = -78.03%
Formula
Percentage change = [(219 - 997) / 997] x 100
Subtract the new number by the original number
219 - 997 = -778
-778 ÷ 997 = -0.7803410230692076
-0.7803410230692076 x 100 = -78.03%