-52.3% is the change from 434 to 207
Calculation steps:
[( 207 - 434 ) ÷ 434] x 100 = -52.3%
Formula
Percentage change = [(207 - 434) / 434] x 100
Subtract the new number by the original number
207 - 434 = -227
-227 ÷ 434 = -0.5230414746543779
-0.5230414746543779 x 100 = -52.3%