-78.73% is the change from 992 to 211
Calculation steps:
[( 211 - 992 ) ÷ 992] x 100 = -78.73%
Formula
Percentage change = [(211 - 992) / 992] x 100
Subtract the new number by the original number
211 - 992 = -781
-781 ÷ 992 = -0.7872983870967742
-0.7872983870967742 x 100 = -78.73%