659.52% is the change from 42 to 319
Calculation steps:
[( 319 - 42 ) ÷ 42] x 100 = 659.52%
Formula
Percentage change = [(319 - 42) / 42] x 100
Subtract the new number by the original number
319 - 42 = 277
277 ÷ 42 = 6.595238095238095
6.595238095238095 x 100 = 659.52%