-15.5% is the change from 968 to 818
Calculation steps:
[( 818 - 968 ) ÷ 968] x 100 = -15.5%
Formula
Percentage change = [(818 - 968) / 968] x 100
Subtract the new number by the original number
818 - 968 = -150
-150 ÷ 968 = -0.15495867768595042
-0.15495867768595042 x 100 = -15.5%