-29.94% is the change from 511 to 358
Calculation steps:
[( 358 - 511 ) ÷ 511] x 100 = -29.94%
Formula
Percentage change = [(358 - 511) / 511] x 100
Subtract the new number by the original number
358 - 511 = -153
-153 ÷ 511 = -0.299412915851272
-0.299412915851272 x 100 = -29.94%
Example