81.46% is the change from 507 to 920
Calculation steps:
[( 920 - 507 ) ÷ 507] x 100 = 81.46%
Formula
Percentage change = [(920 - 507) / 507] x 100
Subtract the new number by the original number
920 - 507 = 413
413 ÷ 507 = 0.814595660749507
0.814595660749507 x 100 = 81.46%