-96.24% is the change from 611 to 23
Calculation steps:
[( 23 - 611 ) ÷ 611] x 100 = -96.24%
Formula
Percentage change = [(23 - 611) / 611] x 100
Subtract the new number by the original number
23 - 611 = -588
-588 ÷ 611 = -0.9623567921440261
-0.9623567921440261 x 100 = -96.24%