-1.64% is the change from 611 to 601
Calculation steps:
[( 601 - 611 ) ÷ 611] x 100 = -1.64%
Formula
Percentage change = [(601 - 611) / 611] x 100
Subtract the new number by the original number
601 - 611 = -10
-10 ÷ 611 = -0.016366612111292964
-0.016366612111292964 x 100 = -1.64%