-77.93% is the change from 512 to 113
Calculation steps:
[( 113 - 512 ) ÷ 512] x 100 = -77.93%
Formula
Percentage change = [(113 - 512) / 512] x 100
Subtract the new number by the original number
113 - 512 = -399
-399 ÷ 512 = -0.779296875
-0.779296875 x 100 = -77.93%