-91.33% is the change from 611 to 53
Calculation steps:
[( 53 - 611 ) ÷ 611] x 100 = -91.33%
Formula
Percentage change = [(53 - 611) / 611] x 100
Subtract the new number by the original number
53 - 611 = -558
-558 ÷ 611 = -0.9132569558101473
-0.9132569558101473 x 100 = -91.33%