-84.78% is the change from 611 to 93
Calculation steps:
[( 93 - 611 ) ÷ 611] x 100 = -84.78%
Formula
Percentage change = [(93 - 611) / 611] x 100
Subtract the new number by the original number
93 - 611 = -518
-518 ÷ 611 = -0.8477905073649754
-0.8477905073649754 x 100 = -84.78%