-72.61% is the change from 303 to 83
Calculation steps:
[( 83 - 303 ) ÷ 303] x 100 = -72.61%
Formula
Percentage change = [(83 - 303) / 303] x 100
Subtract the new number by the original number
83 - 303 = -220
-220 ÷ 303 = -0.7260726072607261
-0.7260726072607261 x 100 = -72.61%