-65.59% is the change from 247 to 85
Calculation steps:
[( 85 - 247 ) ÷ 247] x 100 = -65.59%
Formula
Percentage change = [(85 - 247) / 247] x 100
Subtract the new number by the original number
85 - 247 = -162
-162 ÷ 247 = -0.6558704453441295
-0.6558704453441295 x 100 = -65.59%