-78.17% is the change from 994 to 217
Calculation steps:
[( 217 - 994 ) ÷ 994] x 100 = -78.17%
Formula
Percentage change = [(217 - 994) / 994] x 100
Subtract the new number by the original number
217 - 994 = -777
-777 ÷ 994 = -0.7816901408450704
-0.7816901408450704 x 100 = -78.17%