-65.05% is the change from 970 to 339
Calculation steps:
[( 339 - 970 ) ÷ 970] x 100 = -65.05%
Formula
Percentage change = [(339 - 970) / 970] x 100
Subtract the new number by the original number
339 - 970 = -631
-631 ÷ 970 = -0.6505154639175258
-0.6505154639175258 x 100 = -65.05%