508.97% is the change from 78 to 475
Calculation steps:
[( 475 - 78 ) ÷ 78] x 100 = 508.97%
Formula
Percentage change = [(475 - 78) / 78] x 100
Subtract the new number by the original number
475 - 78 = 397
397 ÷ 78 = 5.089743589743589
5.089743589743589 x 100 = 508.97%