-87.87% is the change from 511 to 62
Calculation steps:
[( 62 - 511 ) ÷ 511] x 100 = -87.87%
Formula
Percentage change = [(62 - 511) / 511] x 100
Subtract the new number by the original number
62 - 511 = -449
-449 ÷ 511 = -0.8786692759295499
-0.8786692759295499 x 100 = -87.87%