-66.34% is the change from 306 to 103
Calculation steps:
[( 103 - 306 ) ÷ 306] x 100 = -66.34%
Formula
Percentage change = [(103 - 306) / 306] x 100
Subtract the new number by the original number
103 - 306 = -203
-203 ÷ 306 = -0.6633986928104575
-0.6633986928104575 x 100 = -66.34%