-80.92% is the change from 524 to 100
Calculation steps:
[( 100 - 524 ) ÷ 524] x 100 = -80.92%
Formula
Percentage change = [(100 - 524) / 524] x 100
Subtract the new number by the original number
100 - 524 = -424
-424 ÷ 524 = -0.8091603053435115
-0.8091603053435115 x 100 = -80.92%