-16.42% is the change from 670 to 560
Calculation steps:
[( 560 - 670 ) ÷ 670] x 100 = -16.42%
Formula
Percentage change = [(560 - 670) / 670] x 100
Subtract the new number by the original number
560 - 670 = -110
-110 ÷ 670 = -0.16417910447761194
-0.16417910447761194 x 100 = -16.42%