-80.9% is the change from 356 to 68
Calculation steps:
[( 68 - 356 ) ÷ 356] x 100 = -80.9%
Formula
Percentage change = [(68 - 356) / 356] x 100
Subtract the new number by the original number
68 - 356 = -288
-288 ÷ 356 = -0.8089887640449438
-0.8089887640449438 x 100 = -80.9%