-87.2% is the change from 211 to 27
Calculation steps:
[( 27 - 211 ) ÷ 211] x 100 = -87.2%
Formula
Percentage change = [(27 - 211) / 211] x 100
Subtract the new number by the original number
27 - 211 = -184
-184 ÷ 211 = -0.8720379146919431
-0.8720379146919431 x 100 = -87.2%