-14.68% is the change from 511 to 436
Calculation steps:
[( 436 - 511 ) ÷ 511] x 100 = -14.68%
Formula
Percentage change = [(436 - 511) / 511] x 100
Subtract the new number by the original number
436 - 511 = -75
-75 ÷ 511 = -0.14677103718199608
-0.14677103718199608 x 100 = -14.68%