282.61% is the change from 138 to 528
Calculation steps:
[( 528 - 138 ) ÷ 138] x 100 = 282.61%
Formula
Percentage change = [(528 - 138) / 138] x 100
Subtract the new number by the original number
528 - 138 = 390
390 ÷ 138 = 2.8260869565217392
2.8260869565217392 x 100 = 282.61%