-41.36% is the change from 515 to 302
Calculation steps:
[( 302 - 515 ) ÷ 515] x 100 = -41.36%
Formula
Percentage change = [(302 - 515) / 515] x 100
Subtract the new number by the original number
302 - 515 = -213
-213 ÷ 515 = -0.41359223300970877
-0.41359223300970877 x 100 = -41.36%