-17.82% is the change from 101 to 83
Calculation steps:
[( 83 - 101 ) ÷ 101] x 100 = -17.82%
Formula
Percentage change = [(83 - 101) / 101] x 100
Subtract the new number by the original number
83 - 101 = -18
-18 ÷ 101 = -0.1782178217821782
-0.1782178217821782 x 100 = -17.82%