550% is the change from 142 to 923
Calculation steps:
[( 923 - 142 ) ÷ 142] x 100 = 550%
Formula
Percentage change = [(923 - 142) / 142] x 100
Subtract the new number by the original number
923 - 142 = 781
781 ÷ 142 = 5.5
5.5 x 100 = 550%
Example