-24.64% is the change from 211 to 159
Calculation steps:
[( 159 - 211 ) ÷ 211] x 100 = -24.64%
Formula
Percentage change = [(159 - 211) / 211] x 100
Subtract the new number by the original number
159 - 211 = -52
-52 ÷ 211 = -0.24644549763033174
-0.24644549763033174 x 100 = -24.64%