-40.12% is the change from 172 to 103
Calculation steps:
[( 103 - 172 ) ÷ 172] x 100 = -40.12%
Formula
Percentage change = [(103 - 172) / 172] x 100
Subtract the new number by the original number
103 - 172 = -69
-69 ÷ 172 = -0.4011627906976744
-0.4011627906976744 x 100 = -40.12%