3.77% is the change from 212 to 220
Calculation steps:
[( 220 - 212 ) ÷ 212] x 100 = 3.77%
Formula
Percentage change = [(220 - 212) / 212] x 100
Subtract the new number by the original number
220 - 212 = 8
8 ÷ 212 = 0.03773584905660377
0.03773584905660377 x 100 = 3.77%