294.7% is the change from 132 to 521
Calculation steps:
[( 521 - 132 ) ÷ 132] x 100 = 294.7%
Formula
Percentage change = [(521 - 132) / 132] x 100
Subtract the new number by the original number
521 - 132 = 389
389 ÷ 132 = 2.946969696969697
2.946969696969697 x 100 = 294.7%