80.87% is the change from 507 to 917
Calculation steps:
[( 917 - 507 ) ÷ 507] x 100 = 80.87%
Formula
Percentage change = [(917 - 507) / 507] x 100
Subtract the new number by the original number
917 - 507 = 410
410 ÷ 507 = 0.8086785009861933
0.8086785009861933 x 100 = 80.87%