-21.02% is the change from 433 to 342
Calculation steps:
[( 342 - 433 ) ÷ 433] x 100 = -21.02%
Formula
Percentage change = [(342 - 433) / 433] x 100
Subtract the new number by the original number
342 - 433 = -91
-91 ÷ 433 = -0.21016166281755197
-0.21016166281755197 x 100 = -21.02%