179.44% is the change from 180 to 503
Calculation steps:
[( 503 - 180 ) ÷ 180] x 100 = 179.44%
Formula
Percentage change = [(503 - 180) / 180] x 100
Subtract the new number by the original number
503 - 180 = 323
323 ÷ 180 = 1.7944444444444445
1.7944444444444445 x 100 = 179.44%