-57.52% is the change from 805 to 342
Calculation steps:
[( 342 - 805 ) ÷ 805] x 100 = -57.52%
Formula
Percentage change = [(342 - 805) / 805] x 100
Subtract the new number by the original number
342 - 805 = -463
-463 ÷ 805 = -0.5751552795031056
-0.5751552795031056 x 100 = -57.52%