-17.43% is the change from 803 to 663
Calculation steps:
[( 663 - 803 ) ÷ 803] x 100 = -17.43%
Formula
Percentage change = [(663 - 803) / 803] x 100
Subtract the new number by the original number
663 - 803 = -140
-140 ÷ 803 = -0.17434620174346202
-0.17434620174346202 x 100 = -17.43%