-64.29% is the change from 434 to 155
Calculation steps:
[( 155 - 434 ) ÷ 434] x 100 = -64.29%
Formula
Percentage change = [(155 - 434) / 434] x 100
Subtract the new number by the original number
155 - 434 = -279
-279 ÷ 434 = -0.6428571428571429
-0.6428571428571429 x 100 = -64.29%