-77.32% is the change from 366 to 83
Calculation steps:
[( 83 - 366 ) ÷ 366] x 100 = -77.32%
Formula
Percentage change = [(83 - 366) / 366] x 100
Subtract the new number by the original number
83 - 366 = -283
-283 ÷ 366 = -0.773224043715847
-0.773224043715847 x 100 = -77.32%