86.51% is the change from 504 to 940
Calculation steps:
[( 940 - 504 ) ÷ 504] x 100 = 86.51%
Formula
Percentage change = [(940 - 504) / 504] x 100
Subtract the new number by the original number
940 - 504 = 436
436 ÷ 504 = 0.8650793650793651
0.8650793650793651 x 100 = 86.51%