-71.26% is the change from 515 to 148
Calculation steps:
[( 148 - 515 ) ÷ 515] x 100 = -71.26%
Formula
Percentage change = [(148 - 515) / 515] x 100
Subtract the new number by the original number
148 - 515 = -367
-367 ÷ 515 = -0.7126213592233009
-0.7126213592233009 x 100 = -71.26%