-86.41% is the change from 537 to 73
Calculation steps:
[( 73 - 537 ) ÷ 537] x 100 = -86.41%
Formula
Percentage change = [(73 - 537) / 537] x 100
Subtract the new number by the original number
73 - 537 = -464
-464 ÷ 537 = -0.8640595903165735
-0.8640595903165735 x 100 = -86.41%