172.04% is the change from 186 to 506
Calculation steps:
[( 506 - 186 ) ÷ 186] x 100 = 172.04%
Formula
Percentage change = [(506 - 186) / 186] x 100
Subtract the new number by the original number
506 - 186 = 320
320 ÷ 186 = 1.7204301075268817
1.7204301075268817 x 100 = 172.04%