-77.16% is the change from 521 to 119
Calculation steps:
[( 119 - 521 ) ÷ 521] x 100 = -77.16%
Formula
Percentage change = [(119 - 521) / 521] x 100
Subtract the new number by the original number
119 - 521 = -402
-402 ÷ 521 = -0.7715930902111324
-0.7715930902111324 x 100 = -77.16%