-23.99% is the change from 813 to 618
Calculation steps:
[( 618 - 813 ) ÷ 813] x 100 = -23.99%
Formula
Percentage change = [(618 - 813) / 813] x 100
Subtract the new number by the original number
618 - 813 = -195
-195 ÷ 813 = -0.23985239852398524
-0.23985239852398524 x 100 = -23.99%