-86.23% is the change from 523 to 72
Calculation steps:
[( 72 - 523 ) ÷ 523] x 100 = -86.23%
Formula
Percentage change = [(72 - 523) / 523] x 100
Subtract the new number by the original number
72 - 523 = -451
-451 ÷ 523 = -0.8623326959847036
-0.8623326959847036 x 100 = -86.23%