155.33% is the change from 197 to 503
Calculation steps:
[( 503 - 197 ) ÷ 197] x 100 = 155.33%
Formula
Percentage change = [(503 - 197) / 197] x 100
Subtract the new number by the original number
503 - 197 = 306
306 ÷ 197 = 1.5532994923857868
1.5532994923857868 x 100 = 155.33%