154.15% is the change from 205 to 521
Calculation steps:
[( 521 - 205 ) ÷ 205] x 100 = 154.15%
Formula
Percentage change = [(521 - 205) / 205] x 100
Subtract the new number by the original number
521 - 205 = 316
316 ÷ 205 = 1.5414634146341464
1.5414634146341464 x 100 = 154.15%