-64.47% is the change from 988 to 351
Calculation steps:
[( 351 - 988 ) ÷ 988] x 100 = -64.47%
Formula
Percentage change = [(351 - 988) / 988] x 100
Subtract the new number by the original number
351 - 988 = -637
-637 ÷ 988 = -0.6447368421052632
-0.6447368421052632 x 100 = -64.47%