-41.33% is the change from 888 to 521
Calculation steps:
[( 521 - 888 ) ÷ 888] x 100 = -41.33%
Formula
Percentage change = [(521 - 888) / 888] x 100
Subtract the new number by the original number
521 - 888 = -367
-367 ÷ 888 = -0.4132882882882883
-0.4132882882882883 x 100 = -41.33%