80.04% is the change from 501 to 902
Calculation steps:
[( 902 - 501 ) ÷ 501] x 100 = 80.04%
Formula
Percentage change = [(902 - 501) / 501] x 100
Subtract the new number by the original number
902 - 501 = 401
401 ÷ 501 = 0.8003992015968064
0.8003992015968064 x 100 = 80.04%