-72.15% is the change from 298 to 83
Calculation steps:
[( 83 - 298 ) ÷ 298] x 100 = -72.15%
Formula
Percentage change = [(83 - 298) / 298] x 100
Subtract the new number by the original number
83 - 298 = -215
-215 ÷ 298 = -0.7214765100671141
-0.7214765100671141 x 100 = -72.15%