-84.4% is the change from 532 to 83
Calculation steps:
[( 83 - 532 ) ÷ 532] x 100 = -84.4%
Formula
Percentage change = [(83 - 532) / 532] x 100
Subtract the new number by the original number
83 - 532 = -449
-449 ÷ 532 = -0.8439849624060151
-0.8439849624060151 x 100 = -84.4%