86.59% is the change from 507 to 946
Calculation steps:
[( 946 - 507 ) ÷ 507] x 100 = 86.59%
Formula
Percentage change = [(946 - 507) / 507] x 100
Subtract the new number by the original number
946 - 507 = 439
439 ÷ 507 = 0.8658777120315582
0.8658777120315582 x 100 = 86.59%