-99.77% is the change from 436 to 1
Calculation steps:
[( 1 - 436 ) ÷ 436] x 100 = -99.77%
Formula
Percentage change = [(1 - 436) / 436] x 100
Subtract the new number by the original number
1 - 436 = -435
-435 ÷ 436 = -0.9977064220183486
-0.9977064220183486 x 100 = -99.77%