-34% is the change from 503 to 332
Calculation steps:
[( 332 - 503 ) ÷ 503] x 100 = -34%
Formula
Percentage change = [(332 - 503) / 503] x 100
Subtract the new number by the original number
332 - 503 = -171
-171 ÷ 503 = -0.3399602385685885
-0.3399602385685885 x 100 = -34%