-29.98% is the change from 814 to 570
Calculation steps:
[( 570 - 814 ) ÷ 814] x 100 = -29.98%
Formula
Percentage change = [(570 - 814) / 814] x 100
Subtract the new number by the original number
570 - 814 = -244
-244 ÷ 814 = -0.29975429975429974
-0.29975429975429974 x 100 = -29.98%