-75.84% is the change from 356 to 86
Calculation steps:
[( 86 - 356 ) ÷ 356] x 100 = -75.84%
Formula
Percentage change = [(86 - 356) / 356] x 100
Subtract the new number by the original number
86 - 356 = -270
-270 ÷ 356 = -0.7584269662921348
-0.7584269662921348 x 100 = -75.84%