-65.99% is the change from 247 to 84
Calculation steps:
[( 84 - 247 ) ÷ 247] x 100 = -65.99%
Formula
Percentage change = [(84 - 247) / 247] x 100
Subtract the new number by the original number
84 - 247 = -163
-163 ÷ 247 = -0.659919028340081
-0.659919028340081 x 100 = -65.99%