78.36% is the change from 513 to 915
Calculation steps:
[( 915 - 513 ) ÷ 513] x 100 = 78.36%
Formula
Percentage change = [(915 - 513) / 513] x 100
Subtract the new number by the original number
915 - 513 = 402
402 ÷ 513 = 0.783625730994152
0.783625730994152 x 100 = 78.36%