-49.01% is the change from 202 to 103
Calculation steps:
[( 103 - 202 ) ÷ 202] x 100 = -49.01%
Formula
Percentage change = [(103 - 202) / 202] x 100
Subtract the new number by the original number
103 - 202 = -99
-99 ÷ 202 = -0.4900990099009901
-0.4900990099009901 x 100 = -49.01%