-83.68% is the change from 435 to 71
Calculation steps:
[( 71 - 435 ) ÷ 435] x 100 = -83.68%
Formula
Percentage change = [(71 - 435) / 435] x 100
Subtract the new number by the original number
71 - 435 = -364
-364 ÷ 435 = -0.8367816091954023
-0.8367816091954023 x 100 = -83.68%