-66.99% is the change from 312 to 103
Calculation steps:
[( 103 - 312 ) ÷ 312] x 100 = -66.99%
Formula
Percentage change = [(103 - 312) / 312] x 100
Subtract the new number by the original number
103 - 312 = -209
-209 ÷ 312 = -0.6698717948717948
-0.6698717948717948 x 100 = -66.99%