74.7% is the change from 502 to 877
Calculation steps:
[( 877 - 502 ) ÷ 502] x 100 = 74.7%
Formula
Percentage change = [(877 - 502) / 502] x 100
Subtract the new number by the original number
877 - 502 = 375
375 ÷ 502 = 0.7470119521912351
0.7470119521912351 x 100 = 74.7%