-65.5% is the change from 516 to 178
Calculation steps:
[( 178 - 516 ) ÷ 516] x 100 = -65.5%
Formula
Percentage change = [(178 - 516) / 516] x 100
Subtract the new number by the original number
178 - 516 = -338
-338 ÷ 516 = -0.6550387596899225
-0.6550387596899225 x 100 = -65.5%