-57.31% is the change from 520 to 222
Calculation steps:
[( 222 - 520 ) ÷ 520] x 100 = -57.31%
Formula
Percentage change = [(222 - 520) / 520] x 100
Subtract the new number by the original number
222 - 520 = -298
-298 ÷ 520 = -0.573076923076923
-0.573076923076923 x 100 = -57.31%