19.44% is the change from 180 to 215
Calculation steps:
[( 215 - 180 ) ÷ 180] x 100 = 19.44%
Formula
Percentage change = [(215 - 180) / 180] x 100
Subtract the new number by the original number
215 - 180 = 35
35 ÷ 180 = 0.19444444444444445
0.19444444444444445 x 100 = 19.44%