-66.23% is the change from 764 to 258
Calculation steps:
[( 258 - 764 ) ÷ 764] x 100 = -66.23%
Formula
Percentage change = [(258 - 764) / 764] x 100
Subtract the new number by the original number
258 - 764 = -506
-506 ÷ 764 = -0.662303664921466
-0.662303664921466 x 100 = -66.23%