284.56% is the change from 136 to 523
Calculation steps:
[( 523 - 136 ) ÷ 136] x 100 = 284.56%
Formula
Percentage change = [(523 - 136) / 136] x 100
Subtract the new number by the original number
523 - 136 = 387
387 ÷ 136 = 2.8455882352941178
2.8455882352941178 x 100 = 284.56%