-30.33% is the change from 211 to 147
Calculation steps:
[( 147 - 211 ) ÷ 211] x 100 = -30.33%
Formula
Percentage change = [(147 - 211) / 211] x 100
Subtract the new number by the original number
147 - 211 = -64
-64 ÷ 211 = -0.3033175355450237
-0.3033175355450237 x 100 = -30.33%