-19.42% is the change from 103 to 83
Calculation steps:
[( 83 - 103 ) ÷ 103] x 100 = -19.42%
Formula
Percentage change = [(83 - 103) / 103] x 100
Subtract the new number by the original number
83 - 103 = -20
-20 ÷ 103 = -0.1941747572815534
-0.1941747572815534 x 100 = -19.42%