-77.63% is the change from 371 to 83
Calculation steps:
[( 83 - 371 ) ÷ 371] x 100 = -77.63%
Formula
Percentage change = [(83 - 371) / 371] x 100
Subtract the new number by the original number
83 - 371 = -288
-288 ÷ 371 = -0.7762803234501348
-0.7762803234501348 x 100 = -77.63%