-50.92% is the change from 434 to 213
Calculation steps:
[( 213 - 434 ) ÷ 434] x 100 = -50.92%
Formula
Percentage change = [(213 - 434) / 434] x 100
Subtract the new number by the original number
213 - 434 = -221
-221 ÷ 434 = -0.5092165898617511
-0.5092165898617511 x 100 = -50.92%