49.61% is the change from 381 to 570
Calculation steps:
[( 570 - 381 ) ÷ 381] x 100 = 49.61%
Formula
Percentage change = [(570 - 381) / 381] x 100
Subtract the new number by the original number
570 - 381 = 189
189 ÷ 381 = 0.49606299212598426
0.49606299212598426 x 100 = 49.61%