50.49% is the change from 608 to 915
Calculation steps:
[( 915 - 608 ) ÷ 608] x 100 = 50.49%
Formula
Percentage change = [(915 - 608) / 608] x 100
Subtract the new number by the original number
915 - 608 = 307
307 ÷ 608 = 0.5049342105263158
0.5049342105263158 x 100 = 50.49%