-69.89% is the change from 807 to 243
Calculation steps:
[( 243 - 807 ) ÷ 807] x 100 = -69.89%
Formula
Percentage change = [(243 - 807) / 807] x 100
Subtract the new number by the original number
243 - 807 = -564
-564 ÷ 807 = -0.6988847583643123
-0.6988847583643123 x 100 = -69.89%