-36.98% is the change from 814 to 513
Calculation steps:
[( 513 - 814 ) ÷ 814] x 100 = -36.98%
Formula
Percentage change = [(513 - 814) / 814] x 100
Subtract the new number by the original number
513 - 814 = -301
-301 ÷ 814 = -0.36977886977886976
-0.36977886977886976 x 100 = -36.98%