40.64% is the change from 470 to 661
Calculation steps:
[( 661 - 470 ) ÷ 470] x 100 = 40.64%
Formula
Percentage change = [(661 - 470) / 470] x 100
Subtract the new number by the original number
661 - 470 = 191
191 ÷ 470 = 0.40638297872340423
0.40638297872340423 x 100 = 40.64%