49.53% is the change from 537 to 803
Calculation steps:
[( 803 - 537 ) ÷ 537] x 100 = 49.53%
Formula
Percentage change = [(803 - 537) / 537] x 100
Subtract the new number by the original number
803 - 537 = 266
266 ÷ 537 = 0.49534450651769085
0.49534450651769085 x 100 = 49.53%