-91.52% is the change from 342 to 29
Calculation steps:
[( 29 - 342 ) ÷ 342] x 100 = -91.52%
Formula
Percentage change = [(29 - 342) / 342] x 100
Subtract the new number by the original number
29 - 342 = -313
-313 ÷ 342 = -0.9152046783625731
-0.9152046783625731 x 100 = -91.52%