-71.4% is the change from 902 to 258
Calculation steps:
[( 258 - 902 ) ÷ 902] x 100 = -71.4%
Formula
Percentage change = [(258 - 902) / 902] x 100
Subtract the new number by the original number
258 - 902 = -644
-644 ÷ 902 = -0.7139689578713969
-0.7139689578713969 x 100 = -71.4%