41.14% is the change from 615 to 868
Calculation steps:
[( 868 - 615 ) ÷ 615] x 100 = 41.14%
Formula
Percentage change = [(868 - 615) / 615] x 100
Subtract the new number by the original number
868 - 615 = 253
253 ÷ 615 = 0.4113821138211382
0.4113821138211382 x 100 = 41.14%