-34.18% is the change from 512 to 337
Calculation steps:
[( 337 - 512 ) ÷ 512] x 100 = -34.18%
Formula
Percentage change = [(337 - 512) / 512] x 100
Subtract the new number by the original number
337 - 512 = -175
-175 ÷ 512 = -0.341796875
-0.341796875 x 100 = -34.18%