-70.57% is the change from 350 to 103
Calculation steps:
[( 103 - 350 ) ÷ 350] x 100 = -70.57%
Formula
Percentage change = [(103 - 350) / 350] x 100
Subtract the new number by the original number
103 - 350 = -247
-247 ÷ 350 = -0.7057142857142857
-0.7057142857142857 x 100 = -70.57%