-37.35% is the change from 83 to 52
Calculation steps:
[( 52 - 83 ) ÷ 83] x 100 = -37.35%
Formula
Percentage change = [(52 - 83) / 83] x 100
Subtract the new number by the original number
52 - 83 = -31
-31 ÷ 83 = -0.37349397590361444
-0.37349397590361444 x 100 = -37.35%