-8.8% is the change from 625 to 570
Calculation steps:
[( 570 - 625 ) ÷ 625] x 100 = -8.8%
Formula
Percentage change = [(570 - 625) / 625] x 100
Subtract the new number by the original number
570 - 625 = -55
-55 ÷ 625 = -0.088
-0.088 x 100 = -8.8%
Example