-17.29% is the change from 983 to 813
Calculation steps:
[( 813 - 983 ) ÷ 983] x 100 = -17.29%
Formula
Percentage change = [(813 - 983) / 983] x 100
Subtract the new number by the original number
813 - 983 = -170
-170 ÷ 983 = -0.17293997965412003
-0.17293997965412003 x 100 = -17.29%