-35.26% is the change from 970 to 628
Calculation steps:
[( 628 - 970 ) ÷ 970] x 100 = -35.26%
Formula
Percentage change = [(628 - 970) / 970] x 100
Subtract the new number by the original number
628 - 970 = -342
-342 ÷ 970 = -0.3525773195876289
-0.3525773195876289 x 100 = -35.26%