-30.49% is the change from 515 to 358
Calculation steps:
[( 358 - 515 ) ÷ 515] x 100 = -30.49%
Formula
Percentage change = [(358 - 515) / 515] x 100
Subtract the new number by the original number
358 - 515 = -157
-157 ÷ 515 = -0.3048543689320388
-0.3048543689320388 x 100 = -30.49%