250% is the change from 178 to 623
Calculation steps:
[( 623 - 178 ) ÷ 178] x 100 = 250%
Formula
Percentage change = [(623 - 178) / 178] x 100
Subtract the new number by the original number
623 - 178 = 445
445 ÷ 178 = 2.5
2.5 x 100 = 250%
Example