56.51% is the change from 315 to 493
Calculation steps:
[( 493 - 315 ) ÷ 315] x 100 = 56.51%
Formula
Percentage change = [(493 - 315) / 315] x 100
Subtract the new number by the original number
493 - 315 = 178
178 ÷ 315 = 0.5650793650793651
0.5650793650793651 x 100 = 56.51%