-57.63% is the change from 531 to 225
Calculation steps:
[( 225 - 531 ) ÷ 531] x 100 = -57.63%
Formula
Percentage change = [(225 - 531) / 531] x 100
Subtract the new number by the original number
225 - 531 = -306
-306 ÷ 531 = -0.576271186440678
-0.576271186440678 x 100 = -57.63%