-21.38% is the change from 435 to 342
Calculation steps:
[( 342 - 435 ) ÷ 435] x 100 = -21.38%
Formula
Percentage change = [(342 - 435) / 435] x 100
Subtract the new number by the original number
342 - 435 = -93
-93 ÷ 435 = -0.21379310344827587
-0.21379310344827587 x 100 = -21.38%