-70.75% is the change from 294 to 86
Calculation steps:
[( 86 - 294 ) ÷ 294] x 100 = -70.75%
Formula
Percentage change = [(86 - 294) / 294] x 100
Subtract the new number by the original number
86 - 294 = -208
-208 ÷ 294 = -0.7074829931972789
-0.7074829931972789 x 100 = -70.75%