-51.38% is the change from 434 to 211
Calculation steps:
[( 211 - 434 ) ÷ 434] x 100 = -51.38%
Formula
Percentage change = [(211 - 434) / 434] x 100
Subtract the new number by the original number
211 - 434 = -223
-223 ÷ 434 = -0.5138248847926268
-0.5138248847926268 x 100 = -51.38%