797.62% is the change from 42 to 377
Calculation steps:
[( 377 - 42 ) ÷ 42] x 100 = 797.62%
Formula
Percentage change = [(377 - 42) / 42] x 100
Subtract the new number by the original number
377 - 42 = 335
335 ÷ 42 = 7.976190476190476
7.976190476190476 x 100 = 797.62%