-72.52% is the change from 939 to 258
Calculation steps:
[( 258 - 939 ) ÷ 939] x 100 = -72.52%
Formula
Percentage change = [(258 - 939) / 939] x 100
Subtract the new number by the original number
258 - 939 = -681
-681 ÷ 939 = -0.7252396166134185
-0.7252396166134185 x 100 = -72.52%