-21.22% is the change from 655 to 516
Calculation steps:
[( 516 - 655 ) ÷ 655] x 100 = -21.22%
Formula
Percentage change = [(516 - 655) / 655] x 100
Subtract the new number by the original number
516 - 655 = -139
-139 ÷ 655 = -0.21221374045801528
-0.21221374045801528 x 100 = -21.22%