-78.84% is the change from 997 to 211
Calculation steps:
[( 211 - 997 ) ÷ 997] x 100 = -78.84%
Formula
Percentage change = [(211 - 997) / 997] x 100
Subtract the new number by the original number
211 - 997 = -786
-786 ÷ 997 = -0.7883650952858575
-0.7883650952858575 x 100 = -78.84%