-77.92% is the change from 992 to 219
Calculation steps:
[( 219 - 992 ) ÷ 992] x 100 = -77.92%
Formula
Percentage change = [(219 - 992) / 992] x 100
Subtract the new number by the original number
219 - 992 = -773
-773 ÷ 992 = -0.7792338709677419
-0.7792338709677419 x 100 = -77.92%