107% is the change from 243 to 503
Calculation steps:
[( 503 - 243 ) ÷ 243] x 100 = 107%
Formula
Percentage change = [(503 - 243) / 243] x 100
Subtract the new number by the original number
503 - 243 = 260
260 ÷ 243 = 1.0699588477366255
1.0699588477366255 x 100 = 107%