-85.52% is the change from 435 to 63
Calculation steps:
[( 63 - 435 ) ÷ 435] x 100 = -85.52%
Formula
Percentage change = [(63 - 435) / 435] x 100
Subtract the new number by the original number
63 - 435 = -372
-372 ÷ 435 = -0.8551724137931035
-0.8551724137931035 x 100 = -85.52%