-76.35% is the change from 351 to 83
Calculation steps:
[( 83 - 351 ) ÷ 351] x 100 = -76.35%
Formula
Percentage change = [(83 - 351) / 351] x 100
Subtract the new number by the original number
83 - 351 = -268
-268 ÷ 351 = -0.7635327635327636
-0.7635327635327636 x 100 = -76.35%