-70.52% is the change from 814 to 240
Calculation steps:
[( 240 - 814 ) ÷ 814] x 100 = -70.52%
Formula
Percentage change = [(240 - 814) / 814] x 100
Subtract the new number by the original number
240 - 814 = -574
-574 ÷ 814 = -0.7051597051597052
-0.7051597051597052 x 100 = -70.52%