-84.16% is the change from 524 to 83
Calculation steps:
[( 83 - 524 ) ÷ 524] x 100 = -84.16%
Formula
Percentage change = [(83 - 524) / 524] x 100
Subtract the new number by the original number
83 - 524 = -441
-441 ÷ 524 = -0.8416030534351145
-0.8416030534351145 x 100 = -84.16%