-94.31% is the change from 211 to 12
Calculation steps:
[( 12 - 211 ) ÷ 211] x 100 = -94.31%
Formula
Percentage change = [(12 - 211) / 211] x 100
Subtract the new number by the original number
12 - 211 = -199
-199 ÷ 211 = -0.943127962085308
-0.943127962085308 x 100 = -94.31%