30.05% is the change from 213 to 277
Calculation steps:
[( 277 - 213 ) ÷ 213] x 100 = 30.05%
Formula
Percentage change = [(277 - 213) / 213] x 100
Subtract the new number by the original number
277 - 213 = 64
64 ÷ 213 = 0.3004694835680751
0.3004694835680751 x 100 = 30.05%