-47.7% is the change from 434 to 227
Calculation steps:
[( 227 - 434 ) ÷ 434] x 100 = -47.7%
Formula
Percentage change = [(227 - 434) / 434] x 100
Subtract the new number by the original number
227 - 434 = -207
-207 ÷ 434 = -0.4769585253456221
-0.4769585253456221 x 100 = -47.7%