-88.85% is the change from 628 to 70
Calculation steps:
[( 70 - 628 ) ÷ 628] x 100 = -88.85%
Formula
Percentage change = [(70 - 628) / 628] x 100
Subtract the new number by the original number
70 - 628 = -558
-558 ÷ 628 = -0.8885350318471338
-0.8885350318471338 x 100 = -88.85%