-27.38% is the change from 705 to 512
Calculation steps:
[( 512 - 705 ) ÷ 705] x 100 = -27.38%
Formula
Percentage change = [(512 - 705) / 705] x 100
Subtract the new number by the original number
512 - 705 = -193
-193 ÷ 705 = -0.27375886524822696
-0.27375886524822696 x 100 = -27.38%