701.54% is the change from 65 to 521
Calculation steps:
[( 521 - 65 ) ÷ 65] x 100 = 701.54%
Formula
Percentage change = [(521 - 65) / 65] x 100
Subtract the new number by the original number
521 - 65 = 456
456 ÷ 65 = 7.015384615384615
7.015384615384615 x 100 = 701.54%