-64.47% is the change from 971 to 345
Calculation steps:
[( 345 - 971 ) ÷ 971] x 100 = -64.47%
Formula
Percentage change = [(345 - 971) / 971] x 100
Subtract the new number by the original number
345 - 971 = -626
-626 ÷ 971 = -0.6446961894953656
-0.6446961894953656 x 100 = -64.47%