-44.03% is the change from 913 to 511
Calculation steps:
[( 511 - 913 ) ÷ 913] x 100 = -44.03%
Formula
Percentage change = [(511 - 913) / 913] x 100
Subtract the new number by the original number
511 - 913 = -402
-402 ÷ 913 = -0.4403066812705367
-0.4403066812705367 x 100 = -44.03%