-16.04% is the change from 611 to 513
Calculation steps:
[( 513 - 611 ) ÷ 611] x 100 = -16.04%
Formula
Percentage change = [(513 - 611) / 611] x 100
Subtract the new number by the original number
513 - 611 = -98
-98 ÷ 611 = -0.16039279869067102
-0.16039279869067102 x 100 = -16.04%