-97% is the change from 433 to 13
Calculation steps:
[( 13 - 433 ) ÷ 433] x 100 = -97%
Formula
Percentage change = [(13 - 433) / 433] x 100
Subtract the new number by the original number
13 - 433 = -420
-420 ÷ 433 = -0.9699769053117783
-0.9699769053117783 x 100 = -97%