73.91% is the change from 506 to 880
Calculation steps:
[( 880 - 506 ) ÷ 506] x 100 = 73.91%
Formula
Percentage change = [(880 - 506) / 506] x 100
Subtract the new number by the original number
880 - 506 = 374
374 ÷ 506 = 0.7391304347826086
0.7391304347826086 x 100 = 73.91%