34.62% is the change from 52 to 70
Calculation steps:
[( 70 - 52 ) ÷ 52] x 100 = 34.62%
Formula
Percentage change = [(70 - 52) / 52] x 100
Subtract the new number by the original number
70 - 52 = 18
18 ÷ 52 = 0.34615384615384615
0.34615384615384615 x 100 = 34.62%