73.5% is the change from 517 to 897
Calculation steps:
[( 897 - 517 ) ÷ 517] x 100 = 73.5%
Formula
Percentage change = [(897 - 517) / 517] x 100
Subtract the new number by the original number
897 - 517 = 380
380 ÷ 517 = 0.7350096711798839
0.7350096711798839 x 100 = 73.5%