-70.57% is the change from 435 to 128
Calculation steps:
[( 128 - 435 ) ÷ 435] x 100 = -70.57%
Formula
Percentage change = [(128 - 435) / 435] x 100
Subtract the new number by the original number
128 - 435 = -307
-307 ÷ 435 = -0.7057471264367816
-0.7057471264367816 x 100 = -70.57%