-45.41% is the change from 936 to 511
Calculation steps:
[( 511 - 936 ) ÷ 936] x 100 = -45.41%
Formula
Percentage change = [(511 - 936) / 936] x 100
Subtract the new number by the original number
511 - 936 = -425
-425 ÷ 936 = -0.45405982905982906
-0.45405982905982906 x 100 = -45.41%