123.88% is the change from 402 to 900
Calculation steps:
[( 900 - 402 ) ÷ 402] x 100 = 123.88%
Formula
Percentage change = [(900 - 402) / 402] x 100
Subtract the new number by the original number
900 - 402 = 498
498 ÷ 402 = 1.2388059701492538
1.2388059701492538 x 100 = 123.88%