-69.96% is the change from 516 to 155
Calculation steps:
[( 155 - 516 ) ÷ 516] x 100 = -69.96%
Formula
Percentage change = [(155 - 516) / 516] x 100
Subtract the new number by the original number
155 - 516 = -361
-361 ÷ 516 = -0.6996124031007752
-0.6996124031007752 x 100 = -69.96%