-82.98% is the change from 611 to 104
Calculation steps:
[( 104 - 611 ) ÷ 611] x 100 = -82.98%
Formula
Percentage change = [(104 - 611) / 611] x 100
Subtract the new number by the original number
104 - 611 = -507
-507 ÷ 611 = -0.8297872340425532
-0.8297872340425532 x 100 = -82.98%