-13.25% is the change from 83 to 72
Calculation steps:
[( 72 - 83 ) ÷ 83] x 100 = -13.25%
Formula
Percentage change = [(72 - 83) / 83] x 100
Subtract the new number by the original number
72 - 83 = -11
-11 ÷ 83 = -0.13253012048192772
-0.13253012048192772 x 100 = -13.25%