61.42% is the change from 381 to 615
Calculation steps:
[( 615 - 381 ) ÷ 381] x 100 = 61.42%
Formula
Percentage change = [(615 - 381) / 381] x 100
Subtract the new number by the original number
615 - 381 = 234
234 ÷ 381 = 0.6141732283464567
0.6141732283464567 x 100 = 61.42%