-82.16% is the change from 342 to 61
Calculation steps:
[( 61 - 342 ) ÷ 342] x 100 = -82.16%
Formula
Percentage change = [(61 - 342) / 342] x 100
Subtract the new number by the original number
61 - 342 = -281
-281 ÷ 342 = -0.8216374269005848
-0.8216374269005848 x 100 = -82.16%