-99.18% is the change from 243 to 2
Calculation steps:
[( 2 - 243 ) ÷ 243] x 100 = -99.18%
Formula
Percentage change = [(2 - 243) / 243] x 100
Subtract the new number by the original number
2 - 243 = -241
-241 ÷ 243 = -0.9917695473251029
-0.9917695473251029 x 100 = -99.18%