280.3% is the change from 132 to 502
Calculation steps:
[( 502 - 132 ) ÷ 132] x 100 = 280.3%
Formula
Percentage change = [(502 - 132) / 132] x 100
Subtract the new number by the original number
502 - 132 = 370
370 ÷ 132 = 2.803030303030303
2.803030303030303 x 100 = 280.3%